Added newline escapes (avoid multiline strings), content sorting, simple normalized output

.travis.yml

@@ -1,14 +1,53 @@
 language: python
 
+sudo: false
+
+# Effectively the list below is for Linux; MacOS is kept separately
+os:
+  - linux
+
 addons:
   apt:
     packages:
       - bash
       - dash
       - zsh
+      - ash
+      - busybox
+      - ksh
+
+env:
+#  global:
+#    - DEBUG=99
+#    - TEST_PATTERN='test/*.sh'
+  matrix:
+    - SHELL_PROGS=bash
+    - SHELL_PROGS=ash
+    - SHELL_PROGS=zsh
+    - SHELL_PROGS=dash
+    - SHELL_PROGS=busybox
+#    - SHELL_PROGS=ksh
+#    - SHELL_PROGS=ksh88
+#    - SHELL_PROGS=ksh93
+
+# Note that this does not inherit env: or pacages from above
+matrix:
+  include:
+  - os: macos
+    env: SHELL_PROGS=bash
+  - os: macos
+    env: SHELL_PROGS=dash
+
+before_install:
+- if [ "$TRAVIS_OS_NAME" = "osx" ] ; then brew update; brew install busybox bash ash dash zsh ksh ; fi
 
 # Whatever the current shebang, replace with hardcoded shell
-script: >
-  sed -i '1s@.*@#!/usr/bin/env bash@' JSON.sh && ./all-tests.sh &&
-  sed -i '1s@.*@#!/usr/bin/env zsh@'  JSON.sh && ./all-tests.sh &&
-  sed -i '1s@.*@#!/usr/bin/env dash@' JSON.sh && ./all-tests.sh
+#script: >
+#  sed -i '1s@.*@#!/usr/bin/env bash@' JSON.sh && ./all-tests.sh &&
+#  sed -i '1s@.*@#!/usr/bin/env zsh@'  JSON.sh && ./all-tests.sh &&
+#  sed -i '1s@.*@#!/usr/bin/env dash@' JSON.sh && ./all-tests.sh
+
+# This version of the script can use specified shell to source and test JSON.sh
+# Note that some platforms can lack some interpreters, so a test run
+# is effectively skipped and the test looks green if that's the case
+script: ./all-tests.sh