rename

renaming non-ascii file names

Below script replaces non-ascii character with an underscore in file/folder names.

Before running the below script, cd to the folder with files that need renamed first.

#!/bin/bash
# rename2ascii.sh
# Replaces non-ascii character with an underscore.

function rename_to_ascii() {
  echo -n "$1" | \
  perl -ne '$new = $_; if($new =~ s/[^[:ascii:]]/_/g) {
    print("Renaming $_ to $new\n");
    rename($_, $new);
  }'
}

export -f rename_to_ascii

find -depth -exec bash -c 'rename_to_ascii "$0"' {} \;

Rename files and folders to lower case letters

Here's a simple bash script that will help in renaming files and folders with uppper-case to lower-case letters.

Make sure you have a backup and test it with a small batch. Also read the whole comments section below if you have spaces in your file names.

#!/bin/bash

#
# Filename: rename.sh
# Description: Renames files and folders to lowercase recursively
#              from the current directory
# Variables: Source = x
#            Destination = y

#
# Rename all directories. This will need to be done first.
#

# Process each directory’s contents before the directory  itself
for x in `find * -depth -type d`;
do

  # Translate Caps to Small letters
  y=$(echo $x | tr '[A-Z]' '[a-z]');

  # check if directory exits
  if [ ! -d $y ]; then
    mkdir -p $y;
  fi

  # check if the source and destination is the same
  if [ "$x" != "$y" ]; then

    # check if there are files in the directory
    # before moving it
    if [ $(ls "$x") ]; then
      mv $x/* $y;
    fi
    rmdir $x;

  fi

done

#
# Rename all files
#
for x in `find * -type f`;
do
  # Translate Caps to Small letters
  y=$(echo $x | tr '[A-Z]' '[a-z]');
  if [ "$x" != "$y" ]; then
    mv $x $y;
  fi
done

exit 0

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