Enhancement to Find by Filename filter - support for comma-separated values (issue 1594)

tools/generateTranslationDiffs

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+#
+# Append translation differences on the end of all files.  Developers should run this script 
+# after changing default, so that translators can easily see what items need to be translated.
+#
+# This script should be run from the project root, e.g:
+# $ ./tools/generateTranslationDiffs.sh
+#
+#####################
+tmp=temp_file
+
+cd "rtdata/languages"
+if [[ $? != 0 ]]; then
+	printf "%s\n" "You must run this script from the root of the project."
+	exit
+fi
+
+# First thing, we want to strip default of any "!" and duplicates.
+grep -v '^!' default | sort -Vu > "$tmp"
+mv "$tmp" "default"
+
+printf "%s\n" "Generating differences... this may take a few minutes."
+
+# Find all already-translated files
+find . -not -iname "default" -not -iname "LICENSE" -not -iname "README" -not -iname "*.sh"  -not -iname ".*" -not -iname "$tmp" |
+
+# For every file found
+while read x; do 
+	printf "%s\n" "Working on differences for $x"
+
+  # Find every already-translated line (every line that does not start with an "!") in file "$x", then sort and copy the file to "$tmp"
+	grep -v '^!' "$x" | sort -Vu > "$tmp"
+  
+  printf "%s\n" '' '!!!!!!!!!!!!!!!!!!!!!!!!!' '! Untranslated keys follow; remove the ! prefix after an entry is translated.' '!!!!!!!!!!!!!!!!!!!!!!!!!' '' >> "$tmp"
+  
+  # Now to delete the already-translated lines and add them to $tmp
+	# Find every line that is not a comment
+	grep -v "^#" default | while read -r 'line'
+		do
+      # Set "key" to be just the key, without the ";human text"
+			key="${line%%;*}"
+      
+      # Scan the translated file $x for a translated $key
+			grep -q "^$key" "$x"
+
+      # If it did not find a translated key in $x, 
+			if [[ $? != 0 ]]
+				then
+          # then append a "!" to the line and send it to the language file
+					printf "%s\n" "!${line}" >> "$tmp"
+			fi
+		done
+
+	# Replace the old file with the new one, with a section at the end for differences.
+	mv "$tmp" "$x"
+done
+
+printf "%s\n" "Finished generating differences."