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Make wget automatically determine the file name. #536

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Make wget automatically determine the file name. #536

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fcc8e0a
Giving a filename to wget is now optional.
Luca0208 Apr 4, 2018
0ad84b3
Adjusted codestyle
Luca0208 Apr 4, 2018
f1cec14
Use gsub instead of loops and also strip anchors and url parameters
Luca0208 Apr 4, 2018
39ecc90
Again adjusting the codestyle
Luca0208 Apr 4, 2018
a5bd04e
getFilename() needs to return something, because shell.resolve() is c…
Luca0208 Apr 4, 2018
4e8d7aa
Check if the URL is valid before trying to determine the filename
Luca0208 Apr 5, 2018
781141a
Replace return nil with return because we are exiting from the progra…
Luca0208 Apr 5, 2018
67448f1
err can't be nil
Luca0208 Apr 5, 2018
7a4dac3
Adjust wget help file
Luca0208 Apr 5, 2018
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13 changes: 9 additions & 4 deletions src/main/resources/assets/computercraft/lua/rom/programs/http/wget.lua
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Original file line number Diff line number Diff line change
@@ -1,11 +1,11 @@

local function printUsage()
print( "Usage:" )
print( "wget <url> <filename>" )
print( "wget <url> [filename]" )
end

local tArgs = { ... }
if #tArgs < 2 then
if #tArgs < 1 then
printUsage()
return
end
Expand All @@ -15,7 +15,12 @@ if not http then
printError( "Set http_enable to true in ComputerCraft.cfg" )
return
end


local function getFilename( sUrl )
sUrl = sUrl:gsub( "[#?].*" , "" ):gsub( "/+$" , "" )
return sUrl:match( "/([^/]+)$" ) or " "
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I'm not sure if the or " " should be here or further down(See comment on line 52)

end

local function get( sUrl )
write( "Connecting to " .. sUrl .. "... " )

Expand Down Expand Up @@ -43,7 +48,7 @@ end

-- Determine file to download
local sUrl = tArgs[1]
local sFile = tArgs[2]
local sFile = tArgs[2] or getFilename(sUrl)
local sPath = shell.resolve( sFile )
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This could be replaced by shell.resolve( sFile or " ")

if fs.exists( sPath ) then
print( "File already exists" )
Expand Down