Re: [gentoo-user] Change the case of file names

[Alex Schuster]

Mich writes:

> I backed up my wife's WinXP fs using K3B and I used default settings
> which unfortunately converted all file names to CAPITALS and shortened
> them to 8 characters maximum, just like DOS would do.  Is there a clever
> way to change some of them back to lower case (in batches within given
> directorates) so that she doesn't have to do it manually one by one?  I
> do not want to change the access times, only the filename case letters.

Create a script like this, name it lowercase.sh or something, and call it 
with "lowercase file1 file2 dir1 dir2". I takes a list of files as 
arguments (use * for all), and also works for directories. 
So, "lowercase ." should convert all files and directories to lowercase.

Put the script into your $PATH, or precede it by its path, e.g. ./lowercase. 
To test it before possible messing up (I just wrote this quickly) use 
the -t option: lowercase -t /path/to/your/files


#!/bin/bash

# parse options (-t only)
while getopts "t" opt
do
	case $opt in
	t )
		test=true
		;;
	* )
		exit 1
	esac
done

shift $(( OPTIND-1 ))

# loop over arguments
while (( $# ))
do
	file=$1
	if [[ -d $file ]]
	then
		# call myself
		$0 ${test:+-t} "$file"/*
	elif [[ -f $file ]]
	then
		# conversion to lowercase
		  dir=$( dirname  "$file" )
		 base=$( basename "$file" )
		lower=$( echo "$base" | tr '[:upper:]' '[:lower:]' )
		newfile=${dir:+$dir/}$lower
		[[ $file -ef $newfile ]] ||
			${test:+echo} mv -v "$file" "$newfile"
	else
		echo "File not found: '$1'"
	fi
	shift
done


	Alex
-- 
gentoo-user@g.o mailing list