diff --git a/S2tilesdownloader.sh b/S2tilesdownloader.sh
old mode 100644
new mode 100755
index 56913d9..3452374
--- a/S2tilesdownloader.sh
+++ b/S2tilesdownloader.sh
@@ -1,73 +1,76 @@
-#!/bin/bash
-# This script allows to download Sentinel-2 granules (last 10 products, configurable) for a given input tile
-# Serco S.p.A.
-#--------------------------------------------------------------
-# Before launching the script, please fill the following fields 
-# 	DHUS_SERVER_URL= DHuS instance address
-# 	DHUS_USER= DHuS username
-# 	DHUS_PASSWD= DHuS user password
-# How to launch it:
-# - download the kml file S2A_OPER_GIP_TILPAR_MPC__20151209T095117_V20150622T000000_21000101T000000_B00.kml from https://sentinel.esa.int/web/sentinel/missions/sentinel-2/data-products
-# - upload the kml file in the same folder where this script is located 
-# - launch this script using the following command:
-# 		/bin/bash ./S2tilesdownloader.sh <tileID>		
-#
-#----------------------------------------------------------------
-
-
-DHUS_SERVER_URL="https://scihub.copernicus.eu/apihub"
-DHUS_USER=""
-DHUS_PASSWD=""
-
-
-# Set variables depending to optional command line arguments
-ROOT_URL_ODATA="$DHUS_SERVER_URL/odata/v1"
-ROOT_URL_SEARCH="$DHUS_SERVER_URL/search"
-
-# Create folders for XML and logs
-mkdir -p ./XML
-mkdir -p ./output
-
-
-# Retrieve polygon starting from the tile ID
-tileID=$1
-polygon=$(grep "description.*${tileID}" ./S2A_OPER_GIP_TILPAR_MPC__20151209T095117_V20150622T000000_21000101T000000_B00.kml | sed 's/MULTIPOLYGON/app/'| sed 's/^.*MULTIPOLYGON(((\(.*\)))).*$/\1/' | sed 's/ /%20/g')
-
-echo "The selected tile corresponds to the polygon: ($polygon)"
-
-query_server="${ROOT_URL_SEARCH}?q=filename:%20S2A*%20AND%20footprint:%22Intersects(POLYGON(($polygon)))%22"
-#echo $query_server
-curl --silent -u ${DHUS_USER}:${DHUS_PASSWD} "$query_server">query-result
-
-# Product IDs and Names extraction
-cat $PWD/query-result | grep '<id>' | tail -n +2 | cut -f2 -d'>' | cut -f1 -d'<' | cat -n > .product_id_list
-cat $PWD/query-result | grep '<title>' | tail -n +2 | cut -f2 -d'>' | cut -f1 -d'<' | cat -n > .product_title_list
-cat .product_id_list .product_title_list | sort -nk 1 | sed 's/[",:]/ /g' > product_list
-
-rm -f .product_id_list .product_title_list
-cat product_list |  while read line ; do 
-	UUID=`echo $line | awk '{print $2}'`
-	read line 
-	PRODUCT_NAME=`echo $line | awk '{print $2}'`
-	xmlpartname=$(echo ${PRODUCT_NAME} | cut -c20-78)
-	xmlname="S2A_OPER_MTD_SAFL1C${xmlpartname}"
-	wget --user=${DHUS_USER} --password=${DHUS_PASSWD} --no-check-certificate --output-file=./output/.log.${PRODUCT_NAME}.log "${ROOT_URL_ODATA}/Products('${UUID}')/Nodes(%27${PRODUCT_NAME}.SAFE%27)/Nodes(%27${xmlname}.xml%27)/\$value" -O ->./XML/${xmlname}.xml
-	sleep 5
-
-	echo 'cat //IMAGE_ID/text()' | xmllint --shell "./XML/${xmlname}.xml" | grep "$tileID">/dev/null 
-	if [ $? -eq 0 ]; then 
-		tileprefix=$(echo 'cat //IMAGE_ID/text()' | xmllint --shell "./XML/${xmlname}.xml" | grep "$tileID" | grep B01 | cut -c1-56)
-		mkdir -p "${PRODUCT_NAME}-tiles"
-
-# Downloading the product tiles
-	echo "------------ Downloading tile from ${PRODUCT_NAME} --------------"
-	for i in {01..11}; do 
-		wget --user=${DHUS_USER} --password=${DHUS_PASSWD} --no-check-certificate --output-file=./output/log.${tileprefix}N02.01.log  "${ROOT_URL_ODATA}/Products('${UUID}')/Nodes(%27${PRODUCT_NAME}.SAFE%27)/Nodes('GRANULE')/Nodes('${tileprefix}N02.01')/Nodes('IMG_DATA')/Nodes('${tileprefix}B${i}.jp2')/\$value" -O ->./${PRODUCT_NAME}-tiles/${tileprefix}B${i}.jp2
-	done
-		wget --user=${DHUS_USER} --password=${DHUS_PASSWD} --no-check-certificate --output-file=./output/log.${tileprefix}N02.01.log  "${ROOT_URL_ODATA}/Products('${UUID}')/Nodes(%27${PRODUCT_NAME}.SAFE%27)/Nodes('GRANULE')/Nodes('${tileprefix}N02.01')/Nodes('IMG_DATA')/Nodes('${tileprefix}B8A.jp2')/\$value" -O ->./${PRODUCT_NAME}-tiles/${tileprefix}B8A.jp2
-	
-	else echo "In the product ${PRODUCT_NAME} there is not the requested tile"
-	fi
-	
-done
-rm ./query-result
\ No newline at end of file
+#!/bin/bash
+# This script allows to download Sentinel-2 granules (last 10 products, configurable) for a given input tile
+# Serco S.p.A.
+#--------------------------------------------------------------
+# Before launching the script, please fill the following fields 
+# 	DHUS_SERVER_URL= DHuS instance address
+# 	DHUS_USER= DHuS username
+# 	DHUS_PASSWD= DHuS user password
+# How to launch it:
+# - download the kml file S2A_OPER_GIP_TILPAR_MPC__20151209T095117_V20150622T000000_21000101T000000_B00.kml from https://sentinel.esa.int/web/sentinel/missions/sentinel-2/data-products
+# - upload the kml file in the same folder where this script is located 
+# - launch this script using the following command:
+# 		/bin/bash ./S2tilesdownloader.sh <tileID>		
+#
+#----------------------------------------------------------------
+
+
+DHUS_SERVER_URL="https://scihub.copernicus.eu/apihub"
+if [ -z "$DHUS_USER" ] ; then
+    DHUS_USER=""
+fi
+if [ -z "$DHUS_PASSWD" ] ; then
+    DHUS_PASSWD=""
+fi
+
+# Set variables depending to optional command line arguments
+ROOT_URL_ODATA="$DHUS_SERVER_URL/odata/v1"
+ROOT_URL_SEARCH="$DHUS_SERVER_URL/search"
+
+# Create folders for XML and logs
+mkdir -p ./XML
+mkdir -p ./output
+
+
+# Retrieve polygon starting from the tile ID
+tileID="$1"
+polygon=$(grep "description.*${tileID}" ./S2A_OPER_GIP_TILPAR_MPC__20151209T095117_V20150622T000000_21000101T000000_B00.kml | sed 's/MULTIPOLYGON/app/'| sed 's/^.*MULTIPOLYGON(((\(.*\)))).*$/\1/' | sed 's/ /%20/g')
+
+echo "The selected tile corresponds to the polygon: ($polygon)"
+
+query_server="${ROOT_URL_SEARCH}?q=filename:%20S2A*%20AND%20footprint:%22Intersects(POLYGON(($polygon)))%22"
+#echo $query_server
+curl --silent -u ${DHUS_USER}:${DHUS_PASSWD} "$query_server">query-result
+
+# Product IDs and Names extraction
+grep '<id>' "$PWD/query-result" | tail -n +2 | cut -f2 -d'>' | cut -f1 -d'<' | cat -n > .product_id_list
+grep '<title>' "$PWD/query-result" | tail -n +2 | cut -f2 -d'>' | cut -f1 -d'<' | cat -n > .product_title_list
+sort -nk 1  .product_id_list .product_title_list | sed 's/[",:]/ /g' > product_list
+
+rm -f .product_id_list .product_title_list
+cat product_list |  while read line ; do 
+	UUID=$(echo "$line" | awk '{print $2}')
+	read line 
+	PRODUCT_NAME=$(echo "$line" | awk '{print $2}')
+	xmlpartname=$(echo "${PRODUCT_NAME}" | cut -c20-78)
+	xmlname="S2A_OPER_MTD_SAFL1C${xmlpartname}"
+	wget --user="${DHUS_USER}" --password="${DHUS_PASSWD}" --no-check-certificate --output-file="./output/.log.${PRODUCT_NAME}.log" "${ROOT_URL_ODATA}/Products('${UUID}')/Nodes(%27${PRODUCT_NAME}.SAFE%27)/Nodes(%27${xmlname}.xml%27)/\$value" -O ->"./XML/${xmlname}.xml"
+	sleep 5
+
+	echo 'cat //IMAGE_ID/text()' | xmllint --shell "./XML/${xmlname}.xml" | grep "$tileID">/dev/null 
+	if [ $? -eq 0 ]; then 
+		tileprefix=$(echo 'cat //IMAGE_ID/text()' | xmllint --shell "./XML/${xmlname}.xml" | grep "$tileID" | grep B01 | cut -c1-56)
+		mkdir -p "${PRODUCT_NAME}-tiles"
+
+# Downloading the product tiles
+	echo "------------ Downloading tile from ${PRODUCT_NAME} --------------"
+	for i in {01..11}; do 
+		wget --user="${DHUS_USER}" --password="${DHUS_PASSWD}" --no-check-certificate --output-file=./output/log.${tileprefix}N02.01.log  "${ROOT_URL_ODATA}/Products('${UUID}')/Nodes(%27${PRODUCT_NAME}.SAFE%27)/Nodes('GRANULE')/Nodes('${tileprefix}N02.01')/Nodes('IMG_DATA')/Nodes('${tileprefix}B${i}.jp2')/\$value" -O ->./${PRODUCT_NAME}-tiles/${tileprefix}B${i}.jp2
+	done
+		wget --user="${DHUS_USER}" --password="${DHUS_PASSWD}" --no-check-certificate --output-file=./output/log.${tileprefix}N02.01.log  "${ROOT_URL_ODATA}/Products('${UUID}')/Nodes(%27${PRODUCT_NAME}.SAFE%27)/Nodes('GRANULE')/Nodes('${tileprefix}N02.01')/Nodes('IMG_DATA')/Nodes('${tileprefix}B8A.jp2')/\$value" -O ->./${PRODUCT_NAME}-tiles/${tileprefix}B8A.jp2
+	
+	else echo "In the product ${PRODUCT_NAME} there is not the requested tile"
+	fi
+	
+done
+rm ./query-result -f
\ No newline at end of file
diff --git a/dhusget_0.3.4.sh b/dhusget_0.3.4.sh
old mode 100644
new mode 100755
index 65330d0..3cc242b
--- a/dhusget_0.3.4.sh
+++ b/dhusget_0.3.4.sh
@@ -1,834 +1,836 @@
-#!/bin/bash
-
-#-------------------------------------------------------------------------------------------	#
-# Demo script illustrating some examples using the OData interface	#
-# of the Data Hub Service (DHuS)                                                     	#
-#-------------------------------------------------------------------------------------------	
-# CHANGE LOG
-# v0.3.1: 
-#	- usage switch fixed
-#	- usage text updated to include the download of Sentinel 2 products
-# 	- introduction of parallel download with check of the server error messages (option -n)
-#	- insertion of MD5 check 
-#		
-# Serco SpA 2015
-# CHANGE LOG
-# v0.3.2: 
-#       - fixed "-f" option
-#       - upgraded "-f" 
-#       - added the following options: -s, -e, -S, -E, -F
-#      
-# CHANGE LOG
-# v0.3.3: 
-#       - added the following options: -O, -L, -R, -r
-#   
-# CHANGE LOG
-# v0.3.4: 
-#       - added the following options: -m, -i, -l, -P, -q, -C, -N, -D
-#                     
-# Serco SpA 2015
-                                                                             	#
-#-------------------------------------------------------------------------------------------	#
-export VERSION=0.3.4
-
-WD=$HOME/dhusget_tmp
-PIDFILE=$WD/pid
-
-test -d $WD || mkdir -p $WD 
-
-#-
-
-bold=$(tput bold)
-normal=$(tput sgr0)
-print_script=`echo "$0" | rev | cut -d'/' -f1 | rev`
-
-function print_usage 
-{ 
- print_script=`echo "$1" | rev | cut -d'/' -f1 | rev`
- echo " "
- echo "${bold}NAME${normal}"
- echo " "
- echo "  DHuSget $VERSION - The non interactive Sentinels product retriever from the Sentinels Data Hubs"
- echo " " 
- echo "${bold}USAGE${normal}"
- echo " "
- echo "  $print_script [LOGIN OPTIONS]... [SEARCH QUERY OPTIONS]... [SEARCH RESULT OPTIONS]... [DOWNLOAD OPTIONS]... "
- echo " "
- echo "${bold}DESCRIPTION${normal}"
- echo " "
- echo "  This script allows to get products from Sentinels Data Hubs executing query with different filter. The products can be visualized on shell and saved in list file"
- echo "  or downloaded in a zip file."
- echo "  Recommendation: If this script is run as a cronjob, to avoid traffic load, please do not schedule it exactly at on-the-clock hours (e.g 6:00, 5:00)."
- echo " "
- echo "${bold}OPTIONS"
- echo " "
- echo "  ${bold}LOGIN OPTIONS:${normal}"
- echo " "
- echo "   -d <DHuS URL>		: specify the URL of the Data Hub Service;"
- echo "   -u <username>		: data hub username;"
- echo "   -p <password>		: data hub password (note: if not provided by command line it is read by stdin);"
- echo " "
- echo " "
- echo "  ${bold}SEARCH QUERY OPTIONS:${normal}"
- echo " "
- echo "   -m <mission name>		: Sentinel mission name. Possible options are: Sentinel-1, Sentinel-2, Sentinel-3);"
- echo ""
- echo "   -i <instrument name>		: instrument name. Possible options are: SAR, MSI, OLCI, SLSTR, SRAL);"
- echo ""
- echo "   -t <time in hours>		: search for products ingested in the last <time in hours> (integer) from the time of"
- echo " 				  execution of the script."
- echo "   				  (e.g. '-t 24' to search for products ingested in the last 24 Hours);"
- echo ""
- echo "   -s <ingestion_date_FROM>	: Search for products ingested ${bold}after${normal} the date and time specified by <ingestion_date_FROM>."  
- echo "   				  The date format is ISO 8601, YYYY-MM-DDThh:mm:ss.cccZ (e.g. -s 2016-10-02T06:00:00.000Z);"
- echo "" 
- echo "   -e <ingestion_date_TO>	: Search for products ingested ${bold}before${normal} the date specified by <ingestion_date_TO>."
- echo "   				  The date format is ISO 8601, YYYY-MM-DDThh:mm:ss.cccZ (e.g. -e 2016-10-10T12:00:00.000Z);"
- echo "" 
- echo "   -S <sensing_date_FROM>	: Search for products with sensing date ${bold}greater than${normal} the date and time specified by <sensing_date_FROM>."
- echo "   				  The date format is ISO 8601, YYYY-MM-DDThh:mm:ss.cccZ (e.g. -S 2016-10-02T06:00:00.000Z);"
- echo "" 
- echo "   -E <sensing_date_TO>		: Search for products with sensing date ${bold}less than${normal} the date and time specified by <sensing_date_TO>."
- echo "   				  The date format is ISO 8601, YYYY-MM-DDThh:mm:ss.cccZ (e.g. -E 2016-10-10T12:00:00.000Z);"
- echo ""
- echo "   -f <ingestion_date_file>	: Search for products ingested after the date and time provided through an input file. This option overrides option -s"
- echo "   				  The date format shall be ISO 8601 (YYYY-MM-DDThh:mm:ss.cccZ)." 
- echo "   				  <ingestion_date_file> is automatically updated at the end of the script execution" 
- echo "   				  with the ingestion date of the last sucessfully downloaded product;"
- echo " "
- echo "   -c <lon1,lat1:lon2,lat2> 	: Search for products intersecting a rectangular Area of Interst (or Bounding Box)"
- echo "   				  by providing the geographical coordinates of two opposite vertices. "
- echo "   				  Coordinates need to be provided in Decimal Degrees and with the following syntax:"
- echo " "
- echo "   				     -    ${bold}lon1,lat1:lon2,lat2${normal}"
- echo " "
- echo "   				  where lon1 and lat1 are respectively the longitude and latitude of the first vertex and"
- echo "  				  lon2 and lat2 the longitude and latitude of the second vertex."
- echo "   				  (e.g. '-c -4.530,29.850:26.750,46.800' is a bounding box enclosing the Mediterranean Sea);"
- echo " "
- echo "   -T <product type>		: Search products according to the specified product type."
- echo "   				  Sentinel-1 possible options are:  SLC, GRD, OCN and RAW. "
- echo "   				  Sentinel-2 posiible option is: S2MSI1C ;"
- echo " "
- echo "   -F <free OpenSearch query>	: free text OpenSearch query. The query must be written enclosed by single apexes '<query>'. "
- echo "   				  (e.g. -F 'platformname:Sentinel-1 AND producttype:SLC'). "
- echo "   				  Note: the free text OpenSearch query is in ${bold}AND${normal} with the other possible sspecified search options." 
- echo " "
- echo " "
- echo "  ${bold}SEARCH RESULT OPTIONS:${normal}"
- echo " "
- echo "   -l <results>			: maximum number of results per page [1,2,3,4,..]; default value = 25"
- echo " "
- echo "   -P <page>			: page number [1,2,3,4,..]; default value = 1"
- echo " "
- echo "   -q <XMLfile>			: write the OpenSearch query results in a specified XML file. Default file is './OSquery-result.xml'"
- echo " "
- echo "   -C <CSVfile>			: write the list of product results in a specified CSV file. Default file is './products-list.csv'"
- echo " "
- echo " "
- echo "  ${bold}DOWNLOAD OPTIONS:${normal}"
- echo " "
- echo "   -o <download>		: THIS OPTION IS MANDATORY FOR DOWNLOADING. Accepted values for <download> are:"
- echo "   				  	-  ${bold}product${normal} : download the Product ZIP files (manifest file included)"
- echo "   				  	-  ${bold}manifest${normal} : download only the manifest files"
- echo "   				  	-  ${bold}all${normal} : download both the Product ZIP files and the manifest files, and"
- echo "   				  		 provide them in separate folders."
- echo ""
- echo "   				  	  By default the Product ZIP files are stored in ./product"
- echo "   				   	  unless differently specified by option ${bold}-O${normal}."
- echo ""
- echo "   				  	  By default the manifest files are stored in ./manifest ;"
-
- echo " "
- echo " "
- echo "   -O <folder>			: save the Product ZIP files in a specified folder. "
- echo " "
- echo "   -N <1...n>			: set number of wget download retries. Default value is 5. Fatal errors like 'connection refused'"
- echo "   				  or 'not found' (404), are not retried;"
- echo " "
- echo "   -R <file>			: write in <file> the list of products that have failed the MD5 integrity check."
- echo "   				  By default the list is written in ./failed_MD5_check_list.txt ;"
- echo "   				  The format of the output file is compatible with option ${bold}-r${normal} ;"
- echo " "
- echo "   -D  				: if specified, remove the products that have failed the MD5 integrity check from disk."
- echo "   				  By deafult products are not removed;"
- echo " "
- echo "   -r <file>			: download the products listed in an input <file> written according to the following format:"
- echo "   				  - One product per line."
- echo "   				  - <space><one character><space><UUID><space><one character><space><filename>."
- echo "   			Examples:"
- echo "   			' x 67c7491a-d98a-4eeb-9ca0-8952514c7e1e x S1A_EW_GRDM_1SSH_20160411T113221_20160411T113257_010773_010179_7BE0'"
- echo "   			' 0 67c7491a-d98a-4eeb-9ca0-8952514c7e1e 0 S1A_EW_GRDM_1SSH_20160411T113221_20160411T113257_010773_010179_7BE0'"
- echo " "
- echo "   -L <lock folder>		: by default only one instance of dhusget can be executed at a time. This is ensured by the creation"
- echo "   				  of a temporary lock folder $HOME/dhusget_tmp/lock which is removed a the end of each run."
- echo "   				  For running more than one dhusget instance at a time is sufficient to assign different lock folders"
- echo "   				  using the -L option (e.g. '-L foldername') to each dhusget instance;"
- echo " "
- echo "   -n <1...n>			: number of concurrent downloads (either products or manifest files). Default value is 2; this value"
- echo "   				  doesn't override the quota limit set on the server side for the user"
- echo " "
- echo " "
- echo " "
- echo "   'wget' is necessary to run the dhusget"
- echo " " 
- exit -1
-}
-
-function print_version 
-{ 
-	echo "dhusget $VERSION"
-	exit -1
-}
-
-#----------------------
-#---  Load input parameter
-export DHUS_DEST="https://scihub.copernicus.eu/dhus"
-export USERNAME=""
-export PASSWORD=""
-export TIME_SUBQUERY=""
-export PRODUCT_TYPE=""
-export INGEGESTION_TIME_FROM="1970-01-01T00:00:00.000Z"
-export INGEGESTION_TIME_TO="NOW"
-export SENSING_TIME_FROM="1970-01-01T00:00:00.000Z"
-export SENSING_TIME_TO="NOW"
-unset TIMEFILE
-
-
-while getopts ":d:u:p:l:P:q:C:m:i:t:s:e:S:E:f:c:T:o:V:h:F:R:D:r:O:N:L:n:" opt; do
- case $opt in
-	d)
-		export DHUS_DEST="$OPTARG"
-                export DHUS_DEST_IS_SET='OK'
-		;;
-	u)
-		export USERNAME="$OPTARG"
-		;;
-	p)
-		export PASSWORD="$OPTARG"
-		;;
-        l)
-		export ROWS="$OPTARG"
-		;;
-	P)
-		export PAGE="$OPTARG"
-		;;
-        q)
-		export NAMEFILERESULTS="$OPTARG"
-		;;
-        C)
-		export PRODUCTLIST="$OPTARG"
-		;;
-        m)
-		export MISSION="$OPTARG"
-		;;
-	i)
-		export INSTRUMENT="$OPTARG"
-		;;
-	t)
-		export TIME="$OPTARG"
-		export INGEGESTION_TIME_FROM="NOW-${TIME}HOURS"
-                export isselected_filtertime_lasthours='OK'
-		;;
-        s)
-                export TIME="$OPTARG"
-		export INGEGESTION_TIME_FROM="$OPTARG"
-                export isselected_filtertime_ingestion_date='OK'
-                ;;
-        e)
-		export TIME="$OPTARG"
-                export INGEGESTION_TIME_TO="$OPTARG"
-                export isselected_filtertime_ingestion_date='OK'
-                ;;	
-        S)
-		export SENSING_TIME="$OPTARG"
-                export SENSING_TIME_FROM="$OPTARG"
-                ;;
-        E)
-		export SENSING_TIME="$OPTARG"
-                export SENSING_TIME_TO="$OPTARG"
-                ;;
-	f)
-		export TIMEFILE="$OPTARG"
-		if [ -s $TIMEFILE ]; then 		
-			export INGEGESTION_TIME_FROM="`cat $TIMEFILE`"
-		else
-			export INGEGESTION_TIME_FROM="1970-01-01T00:00:00.000Z"
-		fi
-		;;
-	c) 
-		ROW=$OPTARG
-
-		FIRST=`echo "$ROW" | awk -F\: '{print \$1}' `
-		SECOND=`echo "$ROW" | awk -F\: '{print \$2}' `
-
-		#--
-		export x1=`echo ${FIRST}|awk -F, '{print $1}'`
-		export y1=`echo ${FIRST}|awk -F, '{print $2}'`
-		export x2=`echo ${SECOND}|awk -F, '{print $1}'`
-		export y2=`echo ${SECOND}|awk -F, '{print $2}'`
-		;;
-
-	T)
-		export PRODUCT_TYPE="$OPTARG"
-		;;
-	o)
-		export TO_DOWNLOAD="$OPTARG"
-		;;
-	V)
-		print_version $0
-		;;	
-	h)	
-		print_usage $0
-		;;
-        F)
-                FREE_SUBQUERY_CHECK="OK"
-		FREE_SUBQUERY="$OPTARG"
-		;;
-	R)
-                export FAILED="$OPTARG"
-		export check_save_failed='OK'
-		;;
-	D)
-		export save_products_failed='OK'
-		;;
-	r)
-                export FAILED_retry="$OPTARG"
-		export check_retry='OK'
-		;;
-	O)
-		export output_folder="$OPTARG"
-                export OUTPUT_FOLDER_IS_SET='OK'
-		;;
-        N)
-		export number_tries="$OPTARG"
-		;;
-	L)
-		export lock_file="$OPTARG"
-                export LOCK_FILE_IS_SET='OK'
-		;;
- 	n)
-                export THREAD_NUMBER="$OPTARG"
-                export THREAD_NUMBER_IS_SET='OK'
-                ;;
-	esac
-done
-echo ""
-echo "================================================================================================================" 
-echo ""
-echo "dhusget version: $VERSION"
-echo ""
-echo "USAGE: $print_script [LOGIN OPTIONS]... [SEARCH QUERY OPTIONS]... [SEARCH RESULT OPTIONS]... [DOWNLOAD OPTIONS]... "
-echo ""
-echo "Type '$print_script -help' for usage information"
-echo ""
-echo "================================================================================================================" 
-ISSELECTEDEXIT=false;
-trap ISSELECTEDEXIT=true INT;
-
-if [ -z $lock_file ];then
-        export lock_file="$WD/lock"
-fi 
-
-mkdir $lock_file
-
-if [ ! $? == 0 ]; then 
-	echo -e "Error! An instance of \"dhusget\" retriever is running !\n Pid is: "`cat ${PIDFILE}` "if it isn't running delete the lockdir  ${lock_file}"
-	
-	exit 
-else
-	echo $$ > $PIDFILE
-fi
-
-trap "rm -fr ${lock_file}" EXIT
-
-export TIME_SUBQUERY="ingestiondate:[$INGEGESTION_TIME_FROM TO $INGEGESTION_TIME_TO]  "
-
-export SENSING_SUBQUERY="beginPosition:[$SENSING_TIME_FROM TO $SENSING_TIME_TO]  "
-
-if [ -z $THREAD_NUMBER ];then
-        export THREAD_NUMBER="2"
-fi
-
-if [ -z $output_folder ];then
-        export output_folder="PRODUCT"
-fi
-
-export WC="wget --no-check-certificate"
-
-echo "LOGIN"
-
-printf "\n"
-
-if [ -z $DHUS_DEST_IS_SET ];then
-echo "'-d option' not specified. "
-echo "Default Data Hub Service URL is: "
-else
-echo "Specified Data Hub Service URL is:"
-fi
-echo $DHUS_DEST
-
-printf "\n"
-
-if [ ! -z $USERNAME ] && [ -z $PASSWORD ];then
-echo "You have inserted only USERNAME"
-echo ""
-fi
-
-if [ -z $USERNAME ] && [ ! -z $PASSWORD ];then
-echo "You have inserted only PASSWORD"
-echo ""
-fi
-
-if [ -z $USERNAME ];then
-        read -p "Enter username: " VAL
-        printf "\n"
-        export USERNAME=${VAL}
-fi
-
-if [ -z $PASSWORD ];then
-	read -s -p "Enter password: " VAL
-        printf "\n\n"
-	export PASSWORD=${VAL}
-fi
-
-export AUTH="--user=${USERNAME} --password=${PASSWORD}"
-
-if [ -z $number_tries ];then  
-      export TRIES="--tries=5"
-else
-      export TRIES="--tries=${number_tries}"
-fi
-
-mkdir -p './logs/'
-
-if [ ! -z $check_retry ] && [ -s $FAILED_retry ]; then
-	 cp $FAILED_retry .failed.control.retry.now.txt
-   	 export INPUT_FILE=.failed.control.retry.now.txt
-
-
-	mkdir -p $output_folder
-
-if [ -f .failed.control.now.txt ]; then
-    rm .failed.control.now.txt
-fi
-cat ${INPUT_FILE} | xargs -n 4 -P ${THREAD_NUMBER} sh -c ' while : ; do
-        echo "Downloading product ${3} from link ${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/\$value"; 
-        ${WC} ${AUTH} ${TRIES} --progress=dot -e dotbytes=10M -c --output-file=./logs/log.${3}.log -O $output_folder/${3}".zip" "${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/\$value";
-        test=$?;
-        if [ $test -eq 0 ]; then
-                echo "Product ${3} successfully downloaded at " `tail -2 ./logs/log.${3}.log | head -1 | awk -F"(" '\''{print $2}'\'' | awk -F")" '\''{print $1}'\''`;
-                remoteMD5=$( ${WC} -qO- ${AUTH} ${TRIES} -c "${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/Checksum/Value/$value" | awk -F">" '\''{print $3}'\'' | awk -F"<"     '\''{print $1}'\'');
-                localMD5=$( openssl md5 $output_folder/${3}".zip" | awk '\''{print $2}'\'');
-                localMD5Uppercase=$(echo "$localMD5" | tr '\''[:lower:]'\'' '\''[:upper:]'\'');
-                if [ "$remoteMD5" == "$localMD5Uppercase" ]; then
-                        echo "Product ${3} successfully MD5 checked";
-                else
-                echo "Checksum for product ${3} failed";
-                echo "${0} ${1} ${2} ${3}" >> .failed.control.now.txt;
-                if [ ! -z $save_products_failed ];then  
-		      rm $output_folder/${3}".zip"
-		fi
-                fi; 
-        else
-                echo "${0} ${1} ${2} ${3}" >> .failed.control.now.txt;
-                if [ ! -z $save_products_failed ];then
-		      rm $output_folder/${3}".zip"
-                fi
-        fi;
-        break;
-done '
-rm .failed.control.retry.now.txt
-fi
-
-#----- Options value check
-echo "================================================================================================================"
-echo ""
-echo "SEARCH QUERY OPTIONS"
-if [ -z $TIME ] && [ -z $TIMEFILE ] && [ -z $ROW ] && [ -z $PRODUCT_TYPE ] && [ -z $FREE_SUBQUERY_CHECK ] && [ -z $SENSING_TIME ] && [ -z $MISSION ] && [ -z $INSTRUMENT ];
-then
-     echo ""
-     echo "No Search Options specified. Default query is q='*'."
-     echo ""
-     export QUERY_STATEMENT="*"
-else
-echo ""
-fi
-if [ -z $MISSION ]; then
-	echo "'-m option' not specified. Search is performed on all available sentinel missions."
-        echo ""
-else
-        echo "'-m option' mission is set to $MISSION. "
-        echo ""
-fi
-if [ -z $INSTRUMENT ]; then
-	echo "'-i option' not specified. Search is performed on all available instruments."
-        echo ""
-else
-        echo "'-i option' instrument is set to $INSTRUMENT. "
-        echo ""
-fi
-if [ -z $TIME ]; then
-	echo " Ingestion date options not specified ('-t', '-s', '-e').  "
-        echo ""
-else
-if [ ! -z $isselected_filtertime_ingestion_date ] && [ ! -z $isselected_filtertime_lasthours ]; then 
-             if [ -z $TIMEFILE ];then 
-		echo "'-s option' and '-e option' are set to $INGEGESTION_TIME_FROM and $INGEGESTION_TIME_TO. Search is performed for all products ingested in the period [$INGEGESTION_TIME_FROM,$INGEGESTION_TIME_TO]. "
-	        echo ""
-             else
-                echo "'-f option' is specified. Search is performed for all products ingested in the period [$INGEGESTION_TIME_FROM,$INGEGESTION_TIME_TO]. "
-	        echo ""
-             fi
-     else 
-     if [ ! -z $isselected_filtertime_lasthours ]; then
-        if [ -z $TIMEFILE ];then
-         echo "'-t option' is set to $TIME. Search is performed for all products ingested in the last $TIME hours. "
-         echo ""
-        fi 
-     else
-         echo "'-s option' and '-e option' are set to $INGEGESTION_TIME_FROM and $INGEGESTION_TIME_TO. Search is performed for all products ingested in the period [$INGEGESTION_TIME_FROM,$INGEGESTION_TIME_TO]. "
-         echo "" 
-     fi
-     fi
-fi
-if [ -z $SENSING_TIME ]; then
-	echo " Sensing date options not specified ('-S', '-E')."
-        echo ""
-else
-        echo "'-S option' and '-E option' are set to $SENSING_TIME_FROM and $SENSING_TIME_TO. Search for all products having sensing date included in [$SENSING_TIME_FROM,$SENSING_TIME_TO]. "
-         echo ""
-fi
-if [ ! -z $TIMEFILE ] && [ -z $isselected_filtertime_ingestion_date ]; then
-	echo "'-f option' is set to $TIMEFILE. The ingestion date provided through $TIMEFILE is used to search all products ingested in the period [DATEINGESTION,NOW]. The file is updated with the ingestion date of the last available product found. "
-        echo ""
-fi
-if [ -z $ROW ]; then
-	echo "'-c option' not specified. No specified Area of Interest. Search is performed on the whole globe."
-        echo ""
-else
-        echo "'-c option' is set to $x1,$y1:$x2,$y2. Search is performed on an Area of interest defined as a bounding box delimited by the two opposite vertices P1=[lon1=$x1,lat1=$y1] and P2=[lon2=$x2,lat2=$y2]. "
-        echo ""
-fi
-if [ -z $PRODUCT_TYPE ]; then
-	echo "'-T option' not specified. Search is performed on all available product types. "
-        echo ""
-else
-        echo "'-T option' product type is set to $PRODUCT_TYPE. "
-        echo ""
-fi
-if [ ! -z $FREE_SUBQUERY_CHECK ]; then
-        echo "'-F option' is set to $FREE_SUBQUERY. This OpenSearch query will be in AND with other search options. "
-        echo ""
-fi
-echo "SEARCH RESULT OPTIONS"
-echo ""
-if [ -z $ROWS ]; then
-	echo "'-l option' not specified. Default Maximum Number of Results per page is 25. "
-        echo ""
-else
-        echo "'-l option' is set to $ROWS. The number of results per page is $ROWS. "
-        echo ""
-fi
-if  [ -z $PAGE ]; then
-	echo "'-P option' not specified. Default Page Number is 1. "
-        echo ""
-else
-        echo "'-P option' is set to $PAGE. The page visualized is $PAGE. "
-        echo ""
-fi
-if [ -z $NAMEFILERESULTS ]; then
-	echo "'-q option' not specified. OpenSearch results are stored by default in ./OSquery-result.xml. "
-        echo ""
-else
-        echo "'-q option' is set to $NAMEFILERESULTS. OpenSearch results are stored in $NAMEFILERESULTS. "
-        echo ""
-fi
-if [ -z $PRODUCTLIST ]; then
-	echo "'-C option' not specified. List of results are stored by default in the CSV file ./products-list.csv. "
-        echo ""
-else
-        echo "'-C option' is set to $PRODUCTLIST. List of results are stored in the specified CSV file $PRODUCTLIST. "
-        echo ""
-fi
-if [ ! -z $TO_DOWNLOAD ] || [ ! -z $check_retry ];then
-CHECK_VAR=true;
-else
-CHECK_VAR=false;
-fi
-echo "DOWNLOAD OPTIONS"
-echo ""
-if [ $CHECK_VAR == false ];then
-echo "No download options specified. No files will be downloaded. "
-echo ""
-fi
-if [ ! -z $TO_DOWNLOAD ]; then
-        if [ $TO_DOWNLOAD=="product" ]; then
-            echo "'-o option' is set to $TO_DOWNLOAD. Downloads are active. By default product downloads are stored in ./PRODUCT unless differently specified by the '-O option'. "
-            echo ""
-        else 
-        if [ $TO_DOWNLOAD=="manifest" ]; then
-            echo "'-o option' is set to $TO_DOWNLOAD. Only manifest files are downloaded. Manifest files are stored in ./manifest. "
-            echo ""
-        else
-            echo "'-o option' is set to $TO_DOWNLOAD. Downloads are active. Products and manifest files are downloded separately. "
-            echo ""
-        fi
-        fi
-fi
-
-if [[ $CHECK_VAR == true &&  ! -z $OUTPUT_FOLDER_IS_SET ]]; then
-    echo "'-O option' is set to $output_folder. Product downloads are stored in ./$output_folder. "
-    echo ""
-fi
-if [[ $CHECK_VAR == true  &&  -z $number_tries ]]; then
-        echo "'-N option' not specified. By default the number of wget download retries is 5. "
-        echo "" 
-else
-   if [[ $CHECK_VAR == true  &&  ! -z $number_tries ]]; then
-        echo "'-N option' is set to $number_tries. The number of wget download retries is $number_tries. "
-        echo ""
-   fi
-fi
-if [[ $CHECK_VAR == true  &&  -z $check_save_failed ]]; then
-        echo "'-R option' not specified. By default the list of products failing the MD5 integrity check is saved in ./failed_MD5_check_list.txt. "
-        echo "" 
-else
-     if [[ $CHECK_VAR == true  &&  ! -z $check_save_failed ]]; then
-        echo "'-R option' is set to $FAILED. The list of products failing the MD5 integrity check is saved in $FAILED. "
-        echo ""
-     fi
-fi
-if [[ $CHECK_VAR == true  &&  ! -z $save_products_failed ]]; then
-    echo "'-D option' is active. Products that have failed the MD5 integrity check are deleted from the local disks. "
-    echo ""
-fi
-if [[ $CHECK_VAR == true  &&  ! -z $check_retry ]]; then
-    echo "'-r option' is set to $FAILED_retry. It retries the download of the products listed in $FAILED_retry. "
-    echo ""
-fi
-if [ ! -z $LOCK_FILE_IS_SET ]; then
-        echo "'-L option' is set to $lock_file. This instance of dhusget can be executed in parallel to other instances. "
-        echo ""
-fi
-if [[ $CHECK_VAR == true  &&  -z $THREAD_NUMBER_IS_SET ]]; then
-        echo "'-n option' not specified. By default the number of concurrent downloads (either products or manifest files) is 2. "
-        echo ""
-else
-    if [[ $CHECK_VAR == true  &&  ! -z $THREAD_NUMBER_IS_SET ]]; then
-        echo "'-n option' is set to $THREAD_NUMBER. The number of concurrent downloads (either products or manifest files) is set to $THREAD_NUMBER. Attention, this value doesn't override the quota limit set on the server side for the user. "
-        echo ""
-    fi
-fi
-echo "================================================================================================================"
-echo ""
-if [ ! -z $MISSION ];then
-	if [ ! -z $QUERY_STATEMENT_CHECK ]; then
-		export QUERY_STATEMENT="$QUERY_STATEMENT AND "	
-	fi
-	export QUERY_STATEMENT="$QUERY_STATEMENT platformname:$MISSION"
-	QUERY_STATEMENT_CHECK='OK'	
-fi 
-if [ ! -z $INSTRUMENT ];then
-	if [ ! -z $QUERY_STATEMENT_CHECK ]; then
-		export QUERY_STATEMENT="$QUERY_STATEMENT AND "	
-	fi
-	export QUERY_STATEMENT="$QUERY_STATEMENT instrumentshortname:$INSTRUMENT"
-	QUERY_STATEMENT_CHECK='OK'	
-fi 
-if [ ! -z $PRODUCT_TYPE ];then
-	if [ ! -z $QUERY_STATEMENT_CHECK ]; then
-		export QUERY_STATEMENT="$QUERY_STATEMENT AND "	
-	fi
-	export QUERY_STATEMENT="$QUERY_STATEMENT producttype:$PRODUCT_TYPE"
-	QUERY_STATEMENT_CHECK='OK'	
-fi 
-if [ ! -z $TIME ];then
-	if [ ! -z $QUERY_STATEMENT_CHECK ]; then
-		export QUERY_STATEMENT="$QUERY_STATEMENT AND "	
-	fi
-	export QUERY_STATEMENT="$QUERY_STATEMENT ${TIME_SUBQUERY}"
-	QUERY_STATEMENT_CHECK='OK'
-fi
-
-if [ ! -z $SENSING_TIME ];then
-        if [ ! -z $QUERY_STATEMENT_CHECK ]; then
-                export QUERY_STATEMENT="$QUERY_STATEMENT AND "
-        fi
-        export QUERY_STATEMENT="$QUERY_STATEMENT ${SENSING_SUBQUERY}"
-	QUERY_STATEMENT_CHECK='OK'
-fi
-
-if [ ! -z $TIMEFILE ];then
-        if [ ! -z $QUERY_STATEMENT_CHECK ]; then
-                export QUERY_STATEMENT="$QUERY_STATEMENT AND "
-        fi
-        export QUERY_STATEMENT="$QUERY_STATEMENT ${TIME_SUBQUERY}"
-
-	QUERY_STATEMENT_CHECK='OK'
-fi
-
-if [ ! -z $FREE_SUBQUERY_CHECK ];then
-        if [ ! -z $QUERY_STATEMENT_CHECK ]; then
-                export QUERY_STATEMENT="$QUERY_STATEMENT AND "
-        fi
-        export QUERY_STATEMENT="$QUERY_STATEMENT $FREE_SUBQUERY"
-	QUERY_STATEMENT_CHECK='OK'
-fi
-
-#---- Prepare query polygon statement
-if [ ! -z $x1 ];then
-	if [[ ! -z $QUERY_STATEMENT ]]; then
-		export QUERY_STATEMENT="$QUERY_STATEMENT AND "	
-	fi
-	export GEO_SUBQUERY=`LC_NUMERIC=en_US.UTF-8; printf "( footprint:\"Intersects(POLYGON((%.13f %.13f,%.13f %.13f,%.13f %.13f,%.13f %.13f,%.13f %.13f )))\")" $x1 $y1 $x2 $y1 $x2 $y2 $x1 $y2 $x1 $y1 `
-	export QUERY_STATEMENT=${QUERY_STATEMENT}" ${GEO_SUBQUERY}"
-else
-	export GEO_SUBQUERY=""
-fi
-#- ... append on query (without repl
-if [ -z $ROWS ];then
-        export ROWS=25
-fi
-
-if [ -z $PAGE ];then
-        export PAGE=1
-fi
-START=$((PAGE-1))
-START=$((START*ROWS))
-export QUERY_STATEMENT="${DHUS_DEST}/search?q="${QUERY_STATEMENT}"&rows="${ROWS}"&start="${START}""
-echo "HTTP request done: "$QUERY_STATEMENT""
-echo ""
-#--- Execute query statement
-if [ -z $NAMEFILERESULTS ];then
-        export NAMEFILERESULTS="OSquery-result.xml"
-fi
-/bin/rm -f $NAMEFILERESULTS
-${WC} ${AUTH} ${TRIES} -c -O "${NAMEFILERESULTS}" "${QUERY_STATEMENT}"
-LASTDATE=`date -u +%Y-%m-%dT%H:%M:%S.%NZ`
-sleep 5
-
-cat $PWD/"${NAMEFILERESULTS}" | grep '<id>' | tail -n +2 | cut -f2 -d'>' | cut -f1 -d'<' | cat -n > .product_id_list
-
-cat $PWD/"${NAMEFILERESULTS}" | grep '<link rel="alternative" href=' | cut -f4 -d'"' | cat -n | sed 's/\/$//'> .product_link_list
-
-cat $PWD/"${NAMEFILERESULTS}" | grep '<title>' | tail -n +2 | cut -f2 -d'>' | cut -f1 -d'<' | cat -n > .product_title_list
-if [ ! -z $TIMEFILE ];then
-if [ `cat "${NAMEFILERESULTS}" | grep '="ingestiondate"' |  head -n 1 | cut -f2 -d'>' | cut -f1 -d'<' | wc -l` -ne 0 ];
-then
-	lastdate=`cat $PWD/"${NAMEFILERESULTS}" | grep '="ingestiondate"' |  head -n 1 | cut -f2 -d'>' | cut -f1 -d'<'`;
-	years=`echo $lastdate | tr "T" '\n'|head -n 1`;
-	hours=`echo $lastdate | tr "T" '\n'|tail -n 1`;
-	echo `date +%Y-%m-%d --date="$years"`"T"`date +%T.%NZ -u --date="$hours + 0.001 seconds"`> $TIMEFILE
-fi 
-fi
-
-paste -d\\n .product_id_list .product_title_list | sed 's/[",:]/ /g' > product_list
-
-cat .product_title_list .product_link_list | sort -k1n,1 -k2r,2 | sed 's/[",:]/ /g' | sed 's/https \/\//https:\/\//' > .product_list_withlink
-
-rm -f .product_id_list .product_link_list .product_title_list .product_ingestion_time_list
-
-echo ""
-
-cat "${NAMEFILERESULTS}" | grep '<subtitle>' | cut -f2 -d'>' | cut -f1 -d'<' | cat -n
-
-NPRODUCT=`cat "${NAMEFILERESULTS}" | grep '<subtitle>' | cut -f2 -d'>' | cut -f1 -d'<' | cat -n | cut -f11 -d' '`;
- 
-echo ""
-
-if [ "${NPRODUCT}" == "0" ]; then exit 1; fi
-
-cat .product_list_withlink
-if [ -z $PRODUCTLIST ];then
-   export PRODUCTLIST="products-list.csv"
-fi
-cp .product_list_withlink $PRODUCTLIST
-cat $PRODUCTLIST | cut -f2 -d$'\t' > .products-list-tmp.csv
-cat .products-list-tmp.csv | grep -v 'https' > .list_name_products.csv
-cat .products-list-tmp.csv | grep 'https' > .list_link_to_products.csv
-paste -d',' .list_name_products.csv .list_link_to_products.csv > $PRODUCTLIST 
-rm .product_list_withlink .products-list-tmp.csv .list_name_products.csv .list_link_to_products.csv  
-export rv=0
-if [ "${TO_DOWNLOAD}" == "manifest" -o "${TO_DOWNLOAD}" == "all" ]; then
-	export INPUT_FILE=product_list
-
-	if [ ! -f ${INPUT_FILE} ]; then
-	 echo "Error: Input file ${INPUT_FILE} not present "
-	 exit
-	fi
-
-	mkdir -p MANIFEST/
-
-cat ${INPUT_FILE} | xargs -n 4 -P ${THREAD_NUMBER} sh -c 'while : ; do
-	echo "Downloading manifest ${3} from link ${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/Nodes('\''"$3".SAFE'\'')/Nodes('\'manifest.safe\'')/\$value"; 
-	${WC} ${AUTH} ${TRIES} --progress=dot -e dotbytes=10M -c --output-file=./logs/log.${3}.log -O ./MANIFEST/manifest.safe-${3} "${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/Nodes('\''"$3".SAFE'\'')/Nodes('\'manifest.safe\'')/\$value" ;
-	test=$?;
-	if [ $test -eq 0 ]; then
-		echo "Manifest ${3} successfully downloaded at " `tail -2 ./logs/log.${3}.log | head -1 | awk -F"(" '\''{print $2}'\'' | awk -F")" '\''{print $1}'\''`;
-	fi;
-	[[ $test -ne 0 ]] || break;
-done ' 
-fi
-
-if [ "${TO_DOWNLOAD}" == "product" -o "${TO_DOWNLOAD}" == "all" ];then
-
-    export INPUT_FILE=product_list
-
-
-mkdir -p $output_folder
-
-#Xargs works here as a thread pool, it launches a download for each thread (P 2), each single thread checks 
-#if the download is completed succesfully.
-#The condition "[[ $? -ne 0 ]] || break" checks the first operand, if it is satisfied the break is skipped, instead if it fails 
-#(download completed succesfully (?$=0 )) the break in the OR is executed exiting from the intitial "while".
-#At this point the current thread is released and another one is launched.
-if [ -f .failed.control.now.txt ]; then
-    rm .failed.control.now.txt
-fi
-cat ${INPUT_FILE} | xargs -n 4 -P ${THREAD_NUMBER} sh -c ' while : ; do
-	echo "Downloading product ${3} from link ${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/\$value"; 
-        ${WC} ${AUTH} ${TRIES} --progress=dot -e dotbytes=10M -c --output-file=./logs/log.${3}.log -O $output_folder/${3}".zip" "${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/\$value";
-	test=$?;
-	if [ $test -eq 0 ]; then
-		echo "Product ${3} successfully downloaded at " `tail -2 ./logs/log.${3}.log | head -1 | awk -F"(" '\''{print $2}'\'' | awk -F")" '\''{print $1}'\''`;
-		remoteMD5=$( ${WC} -qO- ${AUTH} ${TRIES} -c "${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/Checksum/Value/$value" | awk -F">" '\''{print $3}'\'' | awk -F"<" '\''{print $1}'\'');
-		localMD5=$( openssl md5 $output_folder/${3}".zip" | awk '\''{print $2}'\'');
-		localMD5Uppercase=$(echo "$localMD5" | tr '\''[:lower:]'\'' '\''[:upper:]'\'');
-		#localMD5Uppercase=1;
-		if [ "$remoteMD5" == "$localMD5Uppercase" ]; then
-			echo "Product ${3} successfully MD5 checked";
-		else
-		echo "Checksum for product ${3} failed";
-		echo "${0} ${1} ${2} ${3}" >> .failed.control.now.txt;
-		if [ ! -z $save_products_failed ];then  
-		      rm $output_folder/${3}".zip"
-		fi
-		fi; 
-	else
-                echo "${0} ${1} ${2} ${3}" >> .failed.control.now.txt;
-                if [ ! -z $save_products_failed ];then  
-		      rm $output_folder/${3}".zip"
-                fi
-	fi;
-        break;
-done '
-fi
-if [ ! -z $check_save_failed ]; then
-    if [ -f .failed.control.now.txt ];then
-    	mv .failed.control.now.txt $FAILED
-    else 
-    if [ ! -f .failed.control.now.txt ] && [ $CHECK_VAR == true ] && [ ! ISSELECTEDEXIT ];then
-    	echo "All downloaded products have successfully passed MD5 integrity check"
-    fi
-    fi
-else
-    if [ -f .failed.control.now.txt ];then
-    	 mv .failed.control.now.txt failed_MD5_check_list.txt
-    else 
-    if [ ! -f .failed.control.now.txt ] && [ $CHECK_VAR == true ] && [ ! ISSELECTEDEXIT ];then
-    	echo "All downloaded products have successfully passed MD5 integrity check"
-    fi
-    fi
-fi
-echo 'the end'
+#!/bin/bash
+
+#-------------------------------------------------------------------------------------------	#
+# Demo script illustrating some examples using the OData interface	#
+# of the Data Hub Service (DHuS)                                                     	#
+#-------------------------------------------------------------------------------------------	
+# CHANGE LOG
+# v0.3.1: 
+#	- usage switch fixed
+#	- usage text updated to include the download of Sentinel 2 products
+# 	- introduction of parallel download with check of the server error messages (option -n)
+#	- insertion of MD5 check 
+#		
+# Serco SpA 2015
+# CHANGE LOG
+# v0.3.2: 
+#       - fixed "-f" option
+#       - upgraded "-f" 
+#       - added the following options: -s, -e, -S, -E, -F
+#      
+# CHANGE LOG
+# v0.3.3: 
+#       - added the following options: -O, -L, -R, -r
+#   
+# CHANGE LOG
+# v0.3.4: 
+#       - added the following options: -m, -i, -l, -P, -q, -C, -N, -D
+#                     
+# Serco SpA 2015
+                                                                             	#
+#-------------------------------------------------------------------------------------------	#
+export VERSION=0.3.4
+
+WD="$HOME/.config/dhusget/tmp" # changed to a less annoying standard location
+PIDFILE="$WD/pid"
+
+test -d "$WD" || mkdir -p "$WD" 
+
+#-
+
+bold="$(tput bold)"
+normal="$(tput sgr0)"
+# print_script="$(echo $0 | rev | cut -d'/' -f1 | rev)"
+print_script=$(basename "$0") # coreutils assumed to be installed
+
+function print_usage 
+{ 
+#  print_script=$(echo "$1" | rev | cut -d'/' -f1 | rev)
+ print_script=$(basename "$1")
+ echo " "
+ echo "${bold}NAME${normal}"
+ echo " "
+ echo "  DHuSget $VERSION - The non interactive Sentinels product retriever from the Sentinels Data Hubs"
+ echo " " 
+ echo "${bold}USAGE${normal}"
+ echo " "
+ echo "  $print_script [LOGIN OPTIONS]... [SEARCH QUERY OPTIONS]... [SEARCH RESULT OPTIONS]... [DOWNLOAD OPTIONS]... "
+ echo " "
+ echo "${bold}DESCRIPTION${normal}"
+ echo " "
+ echo "  This script allows to get products from Sentinels Data Hubs executing query with different filter. The products can be visualized on shell and saved in list file"
+ echo "  or downloaded in a zip file."
+ echo "  Recommendation: If this script is run as a cronjob, to avoid traffic load, please do not schedule it exactly at on-the-clock hours (e.g 6:00, 5:00)."
+ echo " "
+ echo "${bold}OPTIONS"
+ echo " "
+ echo "  ${bold}LOGIN OPTIONS:${normal}"
+ echo " "
+ echo "   -d <DHuS URL>		: specify the URL of the Data Hub Service;"
+ echo "   -u <username>		: data hub username;"
+ echo "   -p <password>		: data hub password (note: if not provided by command line it is read by stdin);"
+ echo " "
+ echo " "
+ echo "  ${bold}SEARCH QUERY OPTIONS:${normal}"
+ echo " "
+ echo "   -m <mission name>		: Sentinel mission name. Possible options are: Sentinel-1, Sentinel-2, Sentinel-3);"
+ echo ""
+ echo "   -i <instrument name>		: instrument name. Possible options are: SAR, MSI, OLCI, SLSTR, SRAL);"
+ echo ""
+ echo "   -t <time in hours>		: search for products ingested in the last <time in hours> (integer) from the time of"
+ echo " 				  execution of the script."
+ echo "   				  (e.g. '-t 24' to search for products ingested in the last 24 Hours);"
+ echo ""
+ echo "   -s <ingestion_date_FROM>	: Search for products ingested ${bold}after${normal} the date and time specified by <ingestion_date_FROM>."  
+ echo "   				  The date format is ISO 8601, YYYY-MM-DDThh:mm:ss.cccZ (e.g. -s 2016-10-02T06:00:00.000Z);"
+ echo "" 
+ echo "   -e <ingestion_date_TO>	: Search for products ingested ${bold}before${normal} the date specified by <ingestion_date_TO>."
+ echo "   				  The date format is ISO 8601, YYYY-MM-DDThh:mm:ss.cccZ (e.g. -e 2016-10-10T12:00:00.000Z);"
+ echo "" 
+ echo "   -S <sensing_date_FROM>	: Search for products with sensing date ${bold}greater than${normal} the date and time specified by <sensing_date_FROM>."
+ echo "   				  The date format is ISO 8601, YYYY-MM-DDThh:mm:ss.cccZ (e.g. -S 2016-10-02T06:00:00.000Z);"
+ echo "" 
+ echo "   -E <sensing_date_TO>		: Search for products with sensing date ${bold}less than${normal} the date and time specified by <sensing_date_TO>."
+ echo "   				  The date format is ISO 8601, YYYY-MM-DDThh:mm:ss.cccZ (e.g. -E 2016-10-10T12:00:00.000Z);"
+ echo ""
+ echo "   -f <ingestion_date_file>	: Search for products ingested after the date and time provided through an input file. This option overrides option -s"
+ echo "   				  The date format shall be ISO 8601 (YYYY-MM-DDThh:mm:ss.cccZ)." 
+ echo "   				  <ingestion_date_file> is automatically updated at the end of the script execution" 
+ echo "   				  with the ingestion date of the last sucessfully downloaded product;"
+ echo " "
+ echo "   -c <lon1,lat1:lon2,lat2> 	: Search for products intersecting a rectangular Area of Interst (or Bounding Box)"
+ echo "   				  by providing the geographical coordinates of two opposite vertices. "
+ echo "   				  Coordinates need to be provided in Decimal Degrees and with the following syntax:"
+ echo " "
+ echo "   				     -    ${bold}lon1,lat1:lon2,lat2${normal}"
+ echo " "
+ echo "   				  where lon1 and lat1 are respectively the longitude and latitude of the first vertex and"
+ echo "  				  lon2 and lat2 the longitude and latitude of the second vertex."
+ echo "   				  (e.g. '-c -4.530,29.850:26.750,46.800' is a bounding box enclosing the Mediterranean Sea);"
+ echo " "
+ echo "   -T <product type>		: Search products according to the specified product type."
+ echo "   				  Sentinel-1 possible options are:  SLC, GRD, OCN and RAW. "
+ echo "   				  Sentinel-2 posiible option is: S2MSI1C ;"
+ echo " "
+ echo "   -F <free OpenSearch query>	: free text OpenSearch query. The query must be written enclosed by single apexes '<query>'. "
+ echo "   				  (e.g. -F 'platformname:Sentinel-1 AND producttype:SLC'). "
+ echo "   				  Note: the free text OpenSearch query is in ${bold}AND${normal} with the other possible sspecified search options." 
+ echo " "
+ echo " "
+ echo "  ${bold}SEARCH RESULT OPTIONS:${normal}"
+ echo " "
+ echo "   -l <results>			: maximum number of results per page [1,2,3,4,..]; default value = 25"
+ echo " "
+ echo "   -P <page>			: page number [1,2,3,4,..]; default value = 1"
+ echo " "
+ echo "   -q <XMLfile>			: write the OpenSearch query results in a specified XML file. Default file is './OSquery-result.xml'"
+ echo " "
+ echo "   -C <CSVfile>			: write the list of product results in a specified CSV file. Default file is './products-list.csv'"
+ echo " "
+ echo " "
+ echo "  ${bold}DOWNLOAD OPTIONS:${normal}"
+ echo " "
+ echo "   -o <download>		: THIS OPTION IS MANDATORY FOR DOWNLOADING. Accepted values for <download> are:"
+ echo "   				  	-  ${bold}product${normal} : download the Product ZIP files (manifest file included)"
+ echo "   				  	-  ${bold}manifest${normal} : download only the manifest files"
+ echo "   				  	-  ${bold}all${normal} : download both the Product ZIP files and the manifest files, and"
+ echo "   				  		 provide them in separate folders."
+ echo ""
+ echo "   				  	  By default the Product ZIP files are stored in ./product"
+ echo "   				   	  unless differently specified by option ${bold}-O${normal}."
+ echo ""
+ echo "   				  	  By default the manifest files are stored in ./manifest ;"
+
+ echo " "
+ echo " "
+ echo "   -O <folder>			: save the Product ZIP files in a specified folder. "
+ echo " "
+ echo "   -N <1...n>			: set number of wget download retries. Default value is 5. Fatal errors like 'connection refused'"
+ echo "   				  or 'not found' (404), are not retried;"
+ echo " "
+ echo "   -R <file>			: write in <file> the list of products that have failed the MD5 integrity check."
+ echo "   				  By default the list is written in ./failed_MD5_check_list.txt ;"
+ echo "   				  The format of the output file is compatible with option ${bold}-r${normal} ;"
+ echo " "
+ echo "   -D  				: if specified, remove the products that have failed the MD5 integrity check from disk."
+ echo "   				  By deafult products are not removed;"
+ echo " "
+ echo "   -r <file>			: download the products listed in an input <file> written according to the following format:"
+ echo "   				  - One product per line."
+ echo "   				  - <space><one character><space><UUID><space><one character><space><filename>."
+ echo "   			Examples:"
+ echo "   			' x 67c7491a-d98a-4eeb-9ca0-8952514c7e1e x S1A_EW_GRDM_1SSH_20160411T113221_20160411T113257_010773_010179_7BE0'"
+ echo "   			' 0 67c7491a-d98a-4eeb-9ca0-8952514c7e1e 0 S1A_EW_GRDM_1SSH_20160411T113221_20160411T113257_010773_010179_7BE0'"
+ echo " "
+ echo "   -L <lock folder>		: by default only one instance of dhusget can be executed at a time. This is ensured by the creation"
+ echo "   				  of a temporary lock folder $HOME/dhusget_tmp/lock which is removed a the end of each run."
+ echo "   				  For running more than one dhusget instance at a time is sufficient to assign different lock folders"
+ echo "   				  using the -L option (e.g. '-L foldername') to each dhusget instance;"
+ echo " "
+ echo "   -n <1...n>			: number of concurrent downloads (either products or manifest files). Default value is 2; this value"
+ echo "   				  doesn't override the quota limit set on the server side for the user"
+ echo " "
+ echo " "
+ echo " "
+ echo "   'wget' is necessary to run the dhusget"
+ echo " " 
+ exit -1
+}
+
+function print_version 
+{ 
+	echo "dhusget $VERSION"
+	exit -1
+}
+
+#----------------------
+#---  Load input parameter
+export DHUS_DEST="https://scihub.copernicus.eu/dhus"
+export USERNAME=""
+export PASSWORD=""
+export TIME_SUBQUERY=""
+export PRODUCT_TYPE=""
+export INGEGESTION_TIME_FROM="1970-01-01T00:00:00.000Z"
+export INGEGESTION_TIME_TO="NOW"
+export SENSING_TIME_FROM="1970-01-01T00:00:00.000Z"
+export SENSING_TIME_TO="NOW"
+unset TIMEFILE
+
+
+while getopts ":d:u:p:l:P:q:C:m:i:t:s:e:S:E:f:c:T:o:V:h:F:R:D:r:O:N:L:n:" opt; do
+ case $opt in
+	d)
+		export DHUS_DEST="$OPTARG"
+                export DHUS_DEST_IS_SET='OK'
+		;;
+	u)
+		export USERNAME="$OPTARG"
+		;;
+	p)
+		export PASSWORD="$OPTARG"
+		;;
+        l)
+		export ROWS="$OPTARG"
+		;;
+	P)
+		export PAGE="$OPTARG"
+		;;
+        q)
+		export NAMEFILERESULTS="$OPTARG"
+		;;
+        C)
+		export PRODUCTLIST="$OPTARG"
+		;;
+        m)
+		export MISSION="$OPTARG"
+		;;
+	i)
+		export INSTRUMENT="$OPTARG"
+		;;
+	t)
+		export TIME="$OPTARG"
+		export INGEGESTION_TIME_FROM="NOW-${TIME}HOURS"
+                export isselected_filtertime_lasthours='OK'
+		;;
+        s)
+                export TIME="$OPTARG"
+		export INGEGESTION_TIME_FROM="$OPTARG"
+                export isselected_filtertime_ingestion_date='OK'
+                ;;
+        e)
+		export TIME="$OPTARG"
+                export INGEGESTION_TIME_TO="$OPTARG"
+                export isselected_filtertime_ingestion_date='OK'
+                ;;	
+        S)
+		export SENSING_TIME="$OPTARG"
+                export SENSING_TIME_FROM="$OPTARG"
+                ;;
+        E)
+		export SENSING_TIME="$OPTARG"
+                export SENSING_TIME_TO="$OPTARG"
+                ;;
+	f)
+		export TIMEFILE="$OPTARG"
+		if [ -s "$TIMEFILE" ]; then 		
+			export INGEGESTION_TIME_FROM="$(cat $TIMEFILE)"
+		else
+			export INGEGESTION_TIME_FROM="1970-01-01T00:00:00.000Z"
+		fi
+		;;
+	c) 
+		ROW=$OPTARG
+
+		FIRST=$(echo "$ROW" | awk -F\: '{print \$1}' )
+		SECOND=$(echo "$ROW" | awk -F\: '{print \$2}' )
+
+		#--
+		export x1=$(echo "${FIRST}"|awk -F, '{print $1}')
+		export y1=$(echo "${FIRST}"|awk -F, '{print $2}')
+		export x2=$(echo "${SECOND}"|awk -F, '{print $1}')
+		export y2=$(echo "${SECOND}"|awk -F, '{print $2}')
+		;;
+
+	T)
+		export PRODUCT_TYPE="$OPTARG"
+		;;
+	o)
+		export TO_DOWNLOAD="$OPTARG"
+		;;
+	V)
+		print_version $0
+		;;	
+	h)	
+		print_usage $0
+		;;
+        F)
+                FREE_SUBQUERY_CHECK="OK"
+		FREE_SUBQUERY="$OPTARG"
+		;;
+	R)
+                export FAILED="$OPTARG"
+		export check_save_failed='OK'
+		;;
+	D)
+		export save_products_failed='OK'
+		;;
+	r)
+                export FAILED_retry="$OPTARG"
+		export check_retry='OK'
+		;;
+	O)
+		export output_folder="$OPTARG"
+                export OUTPUT_FOLDER_IS_SET='OK'
+		;;
+        N)
+		export number_tries="$OPTARG"
+		;;
+	L)
+		export lock_file="$OPTARG"
+                export LOCK_FILE_IS_SET='OK'
+		;;
+ 	n)
+                export THREAD_NUMBER="$OPTARG"
+                export THREAD_NUMBER_IS_SET='OK'
+                ;;
+	esac
+done
+echo ""
+echo "================================================================================================================" 
+echo ""
+echo "dhusget version: $VERSION"
+echo ""
+echo "USAGE: $print_script [LOGIN OPTIONS]... [SEARCH QUERY OPTIONS]... [SEARCH RESULT OPTIONS]... [DOWNLOAD OPTIONS]... "
+echo ""
+echo "Type '$print_script -help' for usage information"
+echo ""
+echo "================================================================================================================" 
+ISSELECTEDEXIT=false;
+trap ISSELECTEDEXIT=true INT;
+
+if [ -z "$lock_file" ];then
+        export lock_file="$WD/lock"
+fi 
+
+mkdir $lock_file
+
+if [ $? != 0 ]; then 
+	echo -e "Error! An instance of \"dhusget\" retriever is running !\n Pid is: "$(cat ${PIDFILE}) "if it isn't running delete the lockdir  ${lock_file}"
+	
+	exit 
+else
+	echo "$$" > "$PIDFILE"
+fi
+
+trap "rm -fr ${lock_file}" EXIT
+
+export TIME_SUBQUERY="ingestiondate:[$INGEGESTION_TIME_FROM TO $INGEGESTION_TIME_TO]  "
+
+export SENSING_SUBQUERY="beginPosition:[$SENSING_TIME_FROM TO $SENSING_TIME_TO]  "
+
+if [ -z "$THREAD_NUMBER" ];then
+        export THREAD_NUMBER="2"
+fi
+
+if [ -z "$output_folder" ];then
+        export output_folder="PRODUCT"
+fi
+
+export WC="wget --no-check-certificate"
+
+echo "LOGIN"
+
+printf "\n"
+
+if [ -z "$DHUS_DEST_IS_SET" ];then
+echo "'-d option' not specified. "
+echo "Default Data Hub Service URL is: "
+else
+echo "Specified Data Hub Service URL is:"
+fi
+echo $DHUS_DEST
+
+printf "\n"
+
+if [ -n "$USERNAME" ] && [ -z "$PASSWORD" ];then
+echo "You have inserted only USERNAME"
+echo ""
+fi
+
+if [ -z "$USERNAME" ] && [ -n "$PASSWORD" ];then
+echo "You have inserted only PASSWORD"
+echo ""
+fi
+
+if [ -z "$USERNAME" ];then
+        read -p "Enter username: " VAL
+        printf "\n"
+        export USERNAME="${VAL}"
+fi
+
+if [ -z "$PASSWORD" ];then
+	read -s -p "Enter password: " VAL
+        printf "\n\n"
+	export PASSWORD="${VAL}"
+fi
+
+export AUTH="--user=${USERNAME} --password=${PASSWORD}"
+
+if [ -z "$number_tries" ];then  
+      export TRIES="--tries=5"
+else
+      export TRIES="--tries=${number_tries}"
+fi
+
+mkdir -p './logs/'
+
+if [ -n "$check_retry" ] && [ -s "$FAILED_retry" ]; then
+	 cp "$FAILED_retry" .failed.control.retry.now.txt
+   	 export INPUT_FILE=.failed.control.retry.now.txt
+
+
+	mkdir -p $output_folder
+
+if [ -f .failed.control.now.txt ]; then
+    rm .failed.control.now.txt
+fi
+cat "${INPUT_FILE}" | xargs -n 4 -P "${THREAD_NUMBER}" sh -c ' while : ; do
+        echo "Downloading product ${3} from link ${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/\$value"; 
+        ${WC} ${AUTH} ${TRIES} --progress=dot -e dotbytes=10M -c --output-file=./logs/log.${3}.log -O $output_folder/${3}".zip" "${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/\$value";
+        test=$?;
+        if [ $test -eq 0 ]; then
+                echo "Product ${3} successfully downloaded at " $(tail -2 ./logs/log.${3}.log | head -1 | awk -F"(" '\''{print $2}'\'' | awk -F")" '\''{print $1}'\'');
+                remoteMD5=$( ${WC} -qO- ${AUTH} ${TRIES} -c "${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/Checksum/Value/$value" | awk -F">" '\''{print $3}'\'' | awk -F"<"     '\''{print $1}'\'');
+                localMD5=$( openssl md5 $output_folder/${3}".zip" | awk '\''{print $2}'\'');
+                localMD5Uppercase=$(echo "$localMD5" | tr '\''[:lower:]'\'' '\''[:upper:]'\'');
+                if [ "$remoteMD5" == "$localMD5Uppercase" ]; then
+                        echo "Product ${3} successfully MD5 checked";
+                else
+                echo "Checksum for product ${3} failed";
+                echo "${0} ${1} ${2} ${3}" >> .failed.control.now.txt;
+                if [ -n $save_products_failed ];then  
+		      rm $output_folder/${3}".zip"
+		fi
+                fi; 
+        else
+                echo "${0} ${1} ${2} ${3}" >> .failed.control.now.txt;
+                if [ -n $save_products_failed ];then
+		      rm $output_folder/${3}".zip"
+                fi
+        fi;
+        break;
+done '
+rm .failed.control.retry.now.txt
+fi
+
+#----- Options value check
+echo "================================================================================================================"
+echo ""
+echo "SEARCH QUERY OPTIONS"
+if [ -z "$TIME" ] && [ -z "$TIMEFILE" ] && [ -z "$ROW" ] && [ -z "$PRODUCT_TYPE" ] && [ -z "$FREE_SUBQUERY_CHECK" ] && [ -z "$SENSING_TIME" ] && [ -z "$MISSION" ] && [ -z "$INSTRUMENT" ];
+then
+     echo ""
+     echo "No Search Options specified. Default query is q='*'."
+     echo ""
+     export QUERY_STATEMENT="*"
+else
+echo ""
+fi
+if [ -z "$MISSION" ]; then
+	echo "'-m option' not specified. Search is performed on all available sentinel missions."
+        echo ""
+else
+        echo "'-m option' mission is set to $MISSION. "
+        echo ""
+fi
+if [ -z "$INSTRUMENT" ]; then
+	echo "'-i option' not specified. Search is performed on all available instruments."
+        echo ""
+else
+        echo "'-i option' instrument is set to $INSTRUMENT. "
+        echo ""
+fi
+if [ -z "$TIME" ]; then
+	echo " Ingestion date options not specified ('-t', '-s', '-e').  "
+        echo ""
+else
+if [ -n "$isselected_filtertime_ingestion_date" ] && [ -n "$isselected_filtertime_lasthours" ]; then 
+             if [ -z $TIMEFILE ];then 
+		echo "'-s option' and '-e option' are set to $INGEGESTION_TIME_FROM and $INGEGESTION_TIME_TO. Search is performed for all products ingested in the period [$INGEGESTION_TIME_FROM,$INGEGESTION_TIME_TO]. "
+	        echo ""
+             else
+                echo "'-f option' is specified. Search is performed for all products ingested in the period [$INGEGESTION_TIME_FROM,$INGEGESTION_TIME_TO]. "
+	        echo ""
+             fi
+     else 
+     if [ -n "$isselected_filtertime_lasthours" ]; then
+        if [ -z "$TIMEFILE" ];then
+         echo "'-t option' is set to $TIME. Search is performed for all products ingested in the last $TIME hours. "
+         echo ""
+        fi 
+     else
+         echo "'-s option' and '-e option' are set to $INGEGESTION_TIME_FROM and $INGEGESTION_TIME_TO. Search is performed for all products ingested in the period [$INGEGESTION_TIME_FROM,$INGEGESTION_TIME_TO]. "
+         echo "" 
+     fi
+     fi
+fi
+if [ -z "$SENSING_TIME" ]; then
+	echo " Sensing date options not specified ('-S', '-E')."
+        echo ""
+else
+        echo "'-S option' and '-E option' are set to $SENSING_TIME_FROM and $SENSING_TIME_TO. Search for all products having sensing date included in [$SENSING_TIME_FROM,$SENSING_TIME_TO]. "
+         echo ""
+fi
+if [ -n "$TIMEFILE" ] && [ -z "$isselected_filtertime_ingestion_date" ]; then
+	echo "'-f option' is set to $TIMEFILE. The ingestion date provided through $TIMEFILE is used to search all products ingested in the period [DATEINGESTION,NOW]. The file is updated with the ingestion date of the last available product found. "
+        echo ""
+fi
+if [ -z "$ROW" ]; then
+	echo "'-c option' not specified. No specified Area of Interest. Search is performed on the whole globe."
+        echo ""
+else
+        echo "'-c option' is set to $x1,$y1:$x2,$y2. Search is performed on an Area of interest defined as a bounding box delimited by the two opposite vertices P1=[lon1=$x1,lat1=$y1] and P2=[lon2=$x2,lat2=$y2]. "
+        echo ""
+fi
+if [ -z "$PRODUCT_TYPE" ]; then
+	echo "'-T option' not specified. Search is performed on all available product types. "
+        echo ""
+else
+        echo "'-T option' product type is set to $PRODUCT_TYPE. "
+        echo ""
+fi
+if [ -n "$FREE_SUBQUERY_CHECK" ]; then
+        echo "'-F option' is set to $FREE_SUBQUERY. This OpenSearch query will be in AND with other search options. "
+        echo ""
+fi
+echo "SEARCH RESULT OPTIONS"
+echo ""
+if [ -z "$ROWS" ]; then
+	echo "'-l option' not specified. Default Maximum Number of Results per page is 25. "
+        echo ""
+else
+        echo "'-l option' is set to $ROWS. The number of results per page is $ROWS. "
+        echo ""
+fi
+if  [ -z "$PAGE" ]; then
+	echo "'-P option' not specified. Default Page Number is 1. "
+        echo ""
+else
+        echo "'-P option' is set to $PAGE. The page visualized is $PAGE. "
+        echo ""
+fi
+if [ -z "$NAMEFILERESULTS" ]; then
+	echo "'-q option' not specified. OpenSearch results are stored by default in ./OSquery-result.xml. "
+        echo ""
+else
+        echo "'-q option' is set to $NAMEFILERESULTS. OpenSearch results are stored in $NAMEFILERESULTS. "
+        echo ""
+fi
+if [ -z "$PRODUCTLIST" ]; then
+	echo "'-C option' not specified. List of results are stored by default in the CSV file ./products-list.csv. "
+        echo ""
+else
+        echo "'-C option' is set to $PRODUCTLIST. List of results are stored in the specified CSV file $PRODUCTLIST. "
+        echo ""
+fi
+if [ -n "$TO_DOWNLOAD" ] || [ -n "$check_retry" ];then
+CHECK_VAR=true;
+else
+CHECK_VAR=false;
+fi
+echo "DOWNLOAD OPTIONS"
+echo ""
+if [ $CHECK_VAR == false ];then
+echo "No download options specified. No files will be downloaded. "
+echo ""
+fi
+if [ -n "$TO_DOWNLOAD" ]; then
+        if [ "$TO_DOWNLOAD" == "product" ]; then
+            echo "'-o option' is set to $TO_DOWNLOAD. Downloads are active. By default product downloads are stored in ./PRODUCT unless differently specified by the '-O option'. "
+            echo ""
+        else 
+        if [ "$TO_DOWNLOAD" == "manifest" ]; then
+            echo "'-o option' is set to $TO_DOWNLOAD. Only manifest files are downloaded. Manifest files are stored in ./manifest. "
+            echo ""
+        else
+            echo "'-o option' is set to $TO_DOWNLOAD. Downloads are active. Products and manifest files are downloded separately. "
+            echo ""
+        fi
+        fi
+fi
+
+if [[ "$CHECK_VAR" == true &&  -n "$OUTPUT_FOLDER_IS_SET" ]]; then
+    echo "'-O option' is set to $output_folder. Product downloads are stored in ./$output_folder. "
+    echo ""
+fi
+if [[ "$CHECK_VAR" == true  &&  -z "$number_tries" ]]; then
+        echo "'-N option' not specified. By default the number of wget download retries is 5. "
+        echo "" 
+else
+   if [[ "$CHECK_VAR" == true  &&  -n "$number_tries" ]]; then
+        echo "'-N option' is set to $number_tries. The number of wget download retries is $number_tries. "
+        echo ""
+   fi
+fi
+if [[ "$CHECK_VAR" == true  &&  -z "$check_save_failed" ]]; then
+        echo "'-R option' not specified. By default the list of products failing the MD5 integrity check is saved in ./failed_MD5_check_list.txt. "
+        echo "" 
+else
+     if [[ "$CHECK_VAR" == true  &&  -n "$check_save_failed" ]]; then
+        echo "'-R option' is set to $FAILED. The list of products failing the MD5 integrity check is saved in $FAILED. "
+        echo ""
+     fi
+fi
+if [[ "$CHECK_VAR" == true  &&  -n "$save_products_failed" ]]; then
+    echo "'-D option' is active. Products that have failed the MD5 integrity check are deleted from the local disks. "
+    echo ""
+fi
+if [[ "$CHECK_VAR" == true  &&  -n "$check_retry" ]]; then
+    echo "'-r option' is set to $FAILED_retry. It retries the download of the products listed in $FAILED_retry. "
+    echo ""
+fi
+if [ -n "$LOCK_FILE_IS_SET" ]; then
+        echo "'-L option' is set to $lock_file. This instance of dhusget can be executed in parallel to other instances. "
+        echo ""
+fi
+if [[ "$CHECK_VAR" == true  &&  -z "$THREAD_NUMBER_IS_SET" ]]; then
+        echo "'-n option' not specified. By default the number of concurrent downloads (either products or manifest files) is 2. "
+        echo ""
+else
+    if [[ "$CHECK_VAR" == true  &&  -n "$THREAD_NUMBER_IS_SET" ]]; then
+        echo "'-n option' is set to $THREAD_NUMBER. The number of concurrent downloads (either products or manifest files) is set to $THREAD_NUMBER. Attention, this value doesn't override the quota limit set on the server side for the user. "
+        echo ""
+    fi
+fi
+echo "================================================================================================================"
+echo ""
+if [ -n "$MISSION" ];then
+	if [ -n "$QUERY_STATEMENT_CHECK" ]; then
+		export QUERY_STATEMENT="$QUERY_STATEMENT AND "	
+	fi
+	export QUERY_STATEMENT="$QUERY_STATEMENT platformname:$MISSION"
+	QUERY_STATEMENT_CHECK='OK'	
+fi 
+if [ -n "$INSTRUMENT" ];then
+	if [ -n $QUERY_STATEMENT_CHECK ]; then
+		export QUERY_STATEMENT="$QUERY_STATEMENT AND "	
+	fi
+	export QUERY_STATEMENT="$QUERY_STATEMENT instrumentshortname:$INSTRUMENT"
+	QUERY_STATEMENT_CHECK='OK'	
+fi 
+if [ -n "$PRODUCT_TYPE" ];then
+	if [ -n "$QUERY_STATEMENT_CHECK" ]; then
+		export QUERY_STATEMENT="$QUERY_STATEMENT AND "	
+	fi
+	export QUERY_STATEMENT="$QUERY_STATEMENT producttype:$PRODUCT_TYPE"
+	QUERY_STATEMENT_CHECK='OK'	
+fi 
+if [ -n "$TIME" ];then
+	if [ -n "$QUERY_STATEMENT_CHECK" ]; then
+		export QUERY_STATEMENT="$QUERY_STATEMENT AND "	
+	fi
+	export QUERY_STATEMENT="$QUERY_STATEMENT ${TIME_SUBQUERY}"
+	QUERY_STATEMENT_CHECK='OK'
+fi
+
+if [ -n "$SENSING_TIME" ];then
+        if [ -n "$QUERY_STATEMENT_CHECK" ]; then
+                export QUERY_STATEMENT="$QUERY_STATEMENT AND "
+        fi
+        export QUERY_STATEMENT="$QUERY_STATEMENT ${SENSING_SUBQUERY}"
+	QUERY_STATEMENT_CHECK='OK'
+fi
+
+if [ -n "$TIMEFILE" ];then
+        if [ -n "$QUERY_STATEMENT_CHECK" ]; then
+                export QUERY_STATEMENT="$QUERY_STATEMENT AND "
+        fi
+        export QUERY_STATEMENT="$QUERY_STATEMENT ${TIME_SUBQUERY}"
+
+	QUERY_STATEMENT_CHECK='OK'
+fi
+
+if [ -n "$FREE_SUBQUERY_CHECK" ];then
+        if [ -n "$QUERY_STATEMENT_CHECK" ]; then
+                export QUERY_STATEMENT="$QUERY_STATEMENT AND "
+        fi
+        export QUERY_STATEMENT="$QUERY_STATEMENT $FREE_SUBQUERY"
+	QUERY_STATEMENT_CHECK='OK'
+fi
+
+#---- Prepare query polygon statement
+if [ -n "$x1" ];then
+	if [[ -n "$QUERY_STATEMENT" ]]; then
+		export QUERY_STATEMENT="$QUERY_STATEMENT AND "	
+	fi
+	export GEO_SUBQUERY=$(LC_NUMERIC=en_US.UTF-8; printf "( footprint:\"Intersects(POLYGON((%.13f %.13f,%.13f %.13f,%.13f %.13f,%.13f %.13f,%.13f %.13f )))\")" $x1 $y1 $x2 $y1 $x2 $y2 $x1 $y2 $x1 $y1 )
+	export QUERY_STATEMENT=${QUERY_STATEMENT}" ${GEO_SUBQUERY}"
+else
+	export GEO_SUBQUERY=""
+fi
+#- ... append on query (without repl
+if [ -z "$ROWS" ];then
+        export ROWS=25
+fi
+
+if [ -z "$PAGE" ];then
+        export PAGE=1
+fi
+START="$((PAGE-1))"
+START="$((START*ROWS))"
+export QUERY_STATEMENT="${DHUS_DEST}/search?q="${QUERY_STATEMENT}"&rows="${ROWS}"&start="${START}""
+echo "HTTP request done: "$QUERY_STATEMENT""
+echo ""
+#--- Execute query statement
+if [ -z "$NAMEFILERESULTS" ];then
+        export NAMEFILERESULTS="OSquery-result.xml"
+fi
+/bin/rm -f "$NAMEFILERESULTS"
+${WC} ${AUTH} ${TRIES} -c -O "${NAMEFILERESULTS}" "${QUERY_STATEMENT}"
+LASTDATE=$(date -u +%Y-%m-%dT%H:%M:%S.%NZ)
+sleep 5
+
+cat $PWD/"${NAMEFILERESULTS}" | grep '<id>' | tail -n +2 | cut -f2 -d'>' | cut -f1 -d'<' | cat -n > .product_id_list
+
+cat $PWD/"${NAMEFILERESULTS}" | grep '<link rel="alternative" href=' | cut -f4 -d'"' | cat -n | sed 's/\/$//'> .product_link_list
+
+cat $PWD/"${NAMEFILERESULTS}" | grep '<title>' | tail -n +2 | cut -f2 -d'>' | cut -f1 -d'<' | cat -n > .product_title_list
+if [ -n "$TIMEFILE" ];then
+if [ $(cat "${NAMEFILERESULTS}" | grep '="ingestiondate"' |  head -n 1 | cut -f2 -d'>' | cut -f1 -d'<' | wc -l) -ne 0 ];
+then
+	lastdate=$(cat $PWD/"${NAMEFILERESULTS}" | grep '="ingestiondate"' |  head -n 1 | cut -f2 -d'>' | cut -f1 -d'<');
+	years=$(echo $lastdate | tr "T" '\n'|head -n 1);
+	hours=$(echo $lastdate | tr "T" '\n'|tail -n 1);
+	echo $(date +%Y-%m-%d --date="$years")"T"$(date +%T.%NZ -u --date="$hours + 0.001 seconds")> "$TIMEFILE"
+fi 
+fi
+
+paste -d\\n .product_id_list .product_title_list | sed 's/[",:]/ /g' > product_list
+
+cat .product_title_list .product_link_list | sort -k1n,1 -k2r,2 | sed 's/[",:]/ /g' | sed 's/https \/\//https:\/\//' > .product_list_withlink
+
+rm -f .product_id_list .product_link_list .product_title_list .product_ingestion_time_list
+
+echo ""
+
+cat "${NAMEFILERESULTS}" | grep '<subtitle>' | cut -f2 -d'>' | cut -f1 -d'<' | cat -n
+
+NPRODUCT=$(cat "${NAMEFILERESULTS}" | grep '<subtitle>' | cut -f2 -d'>' | cut -f1 -d'<' | cat -n | cut -f11 -d' ');
+ 
+echo ""
+
+if [ "${NPRODUCT}" == "0" ]; then exit 1; fi
+
+cat .product_list_withlink
+if [ -z "$PRODUCTLIST" ];then
+   export PRODUCTLIST="products-list.csv"
+fi
+cp .product_list_withlink "$PRODUCTLIST"
+cat "$PRODUCTLIST" | cut -f2 -d$'\t' > .products-list-tmp.csv
+cat .products-list-tmp.csv | grep -v 'https' > .list_name_products.csv
+cat .products-list-tmp.csv | grep 'https' > .list_link_to_products.csv
+paste -d',' .list_name_products.csv .list_link_to_products.csv > "$PRODUCTLIST" 
+rm .product_list_withlink .products-list-tmp.csv .list_name_products.csv .list_link_to_products.csv  
+export rv=0
+if [ "${TO_DOWNLOAD}" == "manifest" -o "${TO_DOWNLOAD}" == "all" ]; then
+	export INPUT_FILE=product_list
+
+	if [ ! -f "${INPUT_FILE}" ]; then
+	 echo "Error: Input file ${INPUT_FILE} not present "
+	 exit
+	fi
+
+	mkdir -p MANIFEST/
+
+cat "${INPUT_FILE}" | xargs -n 4 -P "${THREAD_NUMBER}" sh -c 'while : ; do
+	echo "Downloading manifest ${3} from link ${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/Nodes('\''"$3".SAFE'\'')/Nodes('\'manifest.safe\'')/\$value"; 
+	${WC} ${AUTH} ${TRIES} --progress=dot -e dotbytes=10M -c --output-file=./logs/log.${3}.log -O ./MANIFEST/manifest.safe-${3} "${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/Nodes('\''"$3".SAFE'\'')/Nodes('\'manifest.safe\'')/\$value" ;
+	test=$?;
+	if [ $test -eq 0 ]; then
+		echo "Manifest ${3} successfully downloaded at " $(tail -2 ./logs/log.${3}.log | head -1 | awk -F"(" '\''{print $2}'\'' | awk -F")" '\''{print $1}'\'');
+	fi;
+	if [ $test -ne 0 ] ; then break; fi
+done ' 
+fi
+
+if [ "${TO_DOWNLOAD}" == "product" -o "${TO_DOWNLOAD}" == "all" ];then
+
+    export INPUT_FILE=product_list
+
+
+mkdir -p "$output_folder"
+
+#Xargs works here as a thread pool, it launches a download for each thread (P 2), each single thread checks 
+#if the download is completed succesfully.
+#The condition "[[ $? -ne 0 ]] || break" checks the first operand, if it is satisfied the break is skipped, instead if it fails 
+#(download completed succesfully (?$=0 )) the break in the OR is executed exiting from the intitial "while".
+#At this point the current thread is released and another one is launched.
+if [ -f .failed.control.now.txt ]; then
+    rm .failed.control.now.txt
+fi
+cat "${INPUT_FILE}" | xargs -n 4 -P "${THREAD_NUMBER}" sh -c ' while : ; do
+	echo "Downloading product ${3} from link ${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/\$value"; 
+        ${WC} ${AUTH} ${TRIES} --progress=dot -e dotbytes=10M -c --output-file=./logs/log.${3}.log -O $output_folder/${3}".zip" "${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/\$value";
+	test=$?;
+	if [ $test -eq 0 ]; then
+		echo "Product ${3} successfully downloaded at " $(tail -2 ./logs/log.${3}.log | head -1 | awk -F"(" '\''{print $2}'\'' | awk -F")" '\''{print $1}'\'');
+		remoteMD5=$( ${WC} -qO- ${AUTH} ${TRIES} -c "${DHUS_DEST}/odata/v1/Products('\''"$1"'\'')/Checksum/Value/$value" | awk -F">" '\''{print $3}'\'' | awk -F"<" '\''{print $1}'\'');
+		localMD5=$( openssl md5 $output_folder/${3}".zip" | awk '\''{print $2}'\'');
+		localMD5Uppercase=$(echo "$localMD5" | tr '\''[:lower:]'\'' '\''[:upper:]'\'');
+		#localMD5Uppercase=1;
+		if [ "$remoteMD5" == "$localMD5Uppercase" ]; then
+			echo "Product ${3} successfully MD5 checked";
+		else
+		echo "Checksum for product ${3} failed";
+		echo "${0} ${1} ${2} ${3}" >> .failed.control.now.txt;
+		if [ -n $save_products_failed ];then  
+		      rm $output_folder/${3}".zip"
+		fi
+		fi; 
+	else
+                echo "${0} ${1} ${2} ${3}" >> .failed.control.now.txt;
+                if [ -n $save_products_failed ];then  
+		      rm $output_folder/${3}".zip"
+                fi
+	fi;
+        break;
+done '
+fi
+if [ -n "$check_save_failed" ]; then
+    if [ -f .failed.control.now.txt ];then
+    	mv .failed.control.now.txt $FAILED
+    else 
+    if [ ! -f .failed.control.now.txt ] && [ "$CHECK_VAR" == true ] && [ "$ISSELECTEDEXIT" == false ];then
+    	echo "All downloaded products have successfully passed MD5 integrity check"
+    fi
+    fi
+else
+    if [ -f .failed.control.now.txt ];then
+    	 mv .failed.control.now.txt failed_MD5_check_list.txt
+    else 
+    if [ ! -f .failed.control.now.txt ] && [ "$CHECK_VAR" == true ] && [ "$ISSELECTEDEXIT" == false ];then
+    	echo "All downloaded products have successfully passed MD5 integrity check"
+    fi
+    fi
+fi
+echo 'the end'