Csoportos fájl átnevezés

Érvénytelen karakterkódolás esetén

#!/usr/bin/env bash
find "$1" -depth -print0 | while read -r -d '' file; do
  d=$( dirname "$file" )
  f=$( basename "$file" )
  new=${f//[^a-zA-Z0-9\/\._\-]/}
  if [ "$f" != "$new" ]      # if equal, name is already clean, so leave alone
  then
    if [ -e "$d/$new" ]
    then
      echo "Notice: \"$new\" and \"$f\" both exist in "$d":"
      ls -ld "$d/$new" "$d/$f"
    else
      mv "$file" "$d/$new"      # remove "echo" to actually rename things
    fi
  fi
done