#! /bin/sh

if ! echo "$LC_CTYPE" | grep -Fiq utf-8; then
   echo "This script requires UTF-8 locale" 1>&2
   exit 1
fi

if [ "$1" ]; then
   cd -- "$1" || exit 1 # or just do it in current directory
fi
start_dir="`pwd`"

find . -depth -type d -print |
while read dir; do
   cd -- "$dir" &&
   cleanup-filenames.sh * &&
   cd -- "$start_dir" || exit 1
done

[ "$1" ] && [ "$1" != . ] && exec cleanup-filenames.sh "$1"
exit 0