diff --git a/scripts/extract_translator.sh b/scripts/extract_translator.sh
index 54a3a27bee..bc4027205d 100755
--- a/scripts/extract_translator.sh
+++ b/scripts/extract_translator.sh
@@ -23,92 +23,92 @@ OUTPUT_FILE=""
 set -ef
 
 print_help(){
-	usage='
+    usage='
  options
-	--full	generate translator list from beginning ( only last month generated without this )
-	-i file	give input file for previous contributors
-	-o file	give output file for latest contributors list including previous
-	--csv file	give input from csv file
-	'
+    --full    generate translator list from beginning ( only last month generated without this )
+    -i file    give input file for previous contributors
+    -o file    give output file for latest contributors list including previous
+    --csv file    give input from csv file
+    '
 
-	echo "$usage"
+    echo "$usage"
 }
 
 find_hashs(){
-	# if since is greater than 0 take last month's authors else full
-	if [ "$SINCE" -gt 0 ]
-	then
-		git log --since="$SINCE" --pretty=format:"%h %s" --grep="$TEXT" | cut -d ' ' -f1
-	else
-		git log --pretty=format:"%h %s" --grep="$TEXT" | cut -d ' ' -f1
-	fi
+    # if since is greater than 0 take last month's authors else full
+    if [ "$SINCE" -gt 0 ]
+    then
+        git log --since="$SINCE" --pretty=format:"%h %s" --grep="$TEXT" | cut -d ' ' -f1
+    else
+        git log --pretty=format:"%h %s" --grep="$TEXT" | cut -d ' ' -f1
+    fi
 }
 
 collect_authors(){
-	for hash in $(find_hashs)
-	do
-		info=$(git show "$hash" --pretty=format:'%an' | head -n 1)
-		echo $info
-	done
+    for hash in $(find_hashs)
+    do
+        info=$(git show "$hash" --pretty=format:'%an' | head -n 1)
+        echo $info
+    done
 }
 
 
 # show help if no argument passed
 if [ $# -lt 1 ]
 then
-	print_help
-	exit 1
+    print_help
+    exit 1
 fi
 
 
 # parsing arguments
 while [ $# -gt 1 ];
 do
-	case "$1" in
-		'--full')
-			shift; SINCE="0";
-			;;
-		'-i')
-			shift; INPUT_FILE="$1"; shift;
-			;;
-		'-o')
-			shift; OUTPUT_FILE="$1"; shift;
-			;;
-		'--csv')
-			shift; CSV_FILE="$1"; shift;
-			;;
-		*)
-			shift;
-			;;
-	esac
+    case "$1" in
+        '--full')
+            shift; SINCE="0";
+            ;;
+        '-i')
+            shift; INPUT_FILE="$1"; shift;
+            ;;
+        '-o')
+            shift; OUTPUT_FILE="$1"; shift;
+            ;;
+        '--csv')
+            shift; CSV_FILE="$1"; shift;
+            ;;
+        *)
+            shift;
+            ;;
+    esac
 done
 
 # we need an output list
 if [ -z "$OUTPUT_FILE" ]
 then
-	echo 'error: please give output file with "-o filename" format' >&2
-	exit 1
+    echo 'error: please give output file with "-o filename" format' >&2
+    exit 1
 fi
 
 # read input list if given
 if [ ! -z "$INPUT_FILE" ] && [ -f "$INPUT_FILE" ]
 then
-	cat "$INPUT_FILE" > 'tmp.txt'
+    cat "$INPUT_FILE" > 'tmp.txt'
 fi
 
 # load csv if csv file given
 if [ ! -z "$CSV_FILE" ] && [ -f "$CSV_FILE" ]
 then
-	# backup and switch delimiter to comma
-	OLDIFS="$IFS"
-	IFS=','
-	for author in $( cat "$CSV_FILE" )
-	do
-		# first remove leading spaces, second sed trim trailing space
-		echo "$author" |  sed 's,^ *,,g' | sed 's, *$,,g' >> 'tmp.txt'
-	done
-	# restore old delimitier
-	IFS="$OLDIFS"
+    # backup and switch delimiter to comma
+    OLDIFS="$IFS"
+    IFS=','
+    for author in $( cat "$CSV_FILE" )
+    do
+        # first remove leading spaces, second sed trim trailing space
+        echo "$author" |  sed 's,^ *,,g' | sed 's, *$,,g' >> 'tmp.txt'
+    done
+    # restore old delimitier
+    IFS="$OLDIFS"
 fi
 
 
@@ -120,11 +120,13 @@ cat 'tmp.txt' | sort | uniq > "$OUTPUT_FILE"
 
 if [ ! -z "$CSV_FILE" ]
 then
-	# put a comma on end of every line
-	sed -e 's/$/,/g' "$OUTPUT_FILE" > 'tmp.txt'
-	# delete newline characters
-	cat tmp.txt | tr -d '\n' > "$OUTPUT_FILE"
+    # put a comma on end of every line
+    sed -e 's/$/, /g' "$OUTPUT_FILE" > 'tmp.txt'
+    # delete newline characters
+    cat tmp.txt | tr -d '\n' > "$OUTPUT_FILE"
 fi
 
 # thanks for service tmp.txt, but we dont need you anymore
 rm 'tmp.txt'
+
+# vim:set shiftwidth=4 softtabstop=4 expandtab: