--- a/tools/find_outdated_engine_translations.sh	Wed Nov 07 22:58:54 2018 +0300
+++ b/tools/find_outdated_engine_translations.sh	Wed Nov 07 15:18:09 2018 -0500
@@ -1,4 +1,4 @@
-#!/bin/bash -
+#!/usr/bin/env bash
 #
 # Tool which tries to find outdated translations in the engine strings (*.txt) using hg blame.
 # Note this is only a heuristic; the output might not be 100% accurate.
@@ -11,15 +11,22 @@
 #
 # <LANGUAGE>: Language code of the language to check
 #
+shopt -s checkwinsize 
 
 cd ../share/hedgewars/Data/Locale
 
+IGNORE_CASE_WHITESPACE=1;
+if ((${#@}==2))
+then
+    IGNORE_CASE_WHITESPACE=$2;
+fi;
+
 BLAMELANG=$1;
 
 if [ -z $BLAMELANG ]
 then
-	echo "No language specified.";
-	exit;
+    echo "No language specified.";
+    exit;
 fi;
 BLAMELANGFILE="$BLAMELANG.txt";
 
@@ -32,31 +39,40 @@
 
 cat $TEMP_EN | while read f;
 do
-	REV=$(echo $f | sed 's/:.*//');
-	CODE=$(echo $f | sed 's/^[0-9]\+:\s\+//;s/=.*//');
-	OTHER=$(grep -P "^\s*\d+:\s+${CODE}" $TEMP_LANG);
-	if (($?==0));
-	then
-		OTHER_REV=$(echo $OTHER | sed 's/:.*//');
-		if (($REV>$OTHER_REV));
-		then
-			TEXT=$(echo $f | sed 's/^\s*[0-9]\+:\s*[0-9]\+:[0-9]\+=//');
-			OLD_TEXT=$(hg grep --all -r "1:$OTHER_REV" "$CODE" en.txt | tail -n1 | sed 's/.*en.txt:[0-9]\+:[+-]:[0-9]\+:[0-9]\+=//;s/^M//');
-			if [ "$TEXT" != "$OLD_TEXT" ];
-			then
-				if [ -z $COLUMNS ];
-				then
-					printf '━%.0s' $(seq 74);
-					echo "";
-				else
-					printf '━%.0s' $(seq $COLUMNS);
-				fi;
-				echo "$TEXT ← Current English";
-				echo "$OLD_TEXT ← English at time of translation";
-				echo "$(echo $OTHER | sed 's/^\s*[0-9]\+:\s*[0-9]\{2\}:[0-9]\{2\}=//') ← current translation";
-			fi;
-		fi;
-	fi;
+    REV=$(echo $f | sed 's/:.*//');
+    CODE=$(echo $f | sed 's/^[0-9]\+:\s\+//;s/=.*//');
+    OTHER=$(grep -P "^\s*\d+:\s+${CODE}" $TEMP_LANG);
+    if (($?==0));
+    then
+        OTHER_REV=$(echo $OTHER | sed 's/:.*//');
+        if (($REV>$OTHER_REV));
+        then
+            TEXT=$(echo $f | sed 's/^\s*[0-9]\+:\s*[0-9]\+:[0-9]\+=//');
+            OLD_TEXT=$(hg grep --all -r "1:$OTHER_REV" "$CODE" en.txt | tail -n1 | sed 's/.*en.txt:[0-9]\+:[+-]:[0-9]\+:[0-9]\+=//;s/
//');
+
+            COMPARE_TEXT=$TEXT;
+            COMPARE_OLD_TEXT=$OLD_TEXT;
+            if (($IGNORE_CASE_WHITESPACE==1));
+            then
+                COMPARE_TEXT=$(echo $TEXT | sed 's/\s*//g' | tr A-Z a-z);
+                COMPARE_OLD_TEXT=$(echo $OLD_TEXT | sed 's/\s*//g' | tr A-Z a-z);
+            fi;
+
+            if [ "$COMPARE_TEXT" != "$COMPARE_OLD_TEXT" ];
+            then
+                if [ -z $COLUMNS ];
+                then
+                    printf '━%.0s' $(seq 74);
+                    echo "";
+                else
+                    printf '━%.0s' $(seq $COLUMNS);
+                fi;
+                echo "$TEXT ← Current English";
+                echo "$OLD_TEXT ← English at time of translation";
+                echo "$(echo $OTHER | sed 's/^\s*[0-9]\+:\s*[0-9]\{2\}:[0-9]\{2\}=//') ← current translation";
+            fi;
+        fi;
+    fi;
 done
 
 rm $TEMP_EN $TEMP_LANG