QExtend

#!/bin/bash

#The cleanBOM.sh bash script

#written by erik@sankuru.biz Cette adresse email est protégée contre les robots des spammeurs, vous devez activer Javascript pour la voir.

#12 Jun 2009

#Licensed under the GPL.

#

#Look up the files in a folder that contain the BOM marker

#and remove the BOM marker from the file

# -- first command line argument must be a folder name

folder="$1"

#expand the char codes in the regex to their corresponding characters

regex1=$'\xEF\xBB\xBF'

cmd1="grep -rl $regex1 $folder"

echo "The following files contain the BOM marker:"

$cmd1 

echo "Cleaning up:"

$cmd1 | \

    while read f; do

        #back up file; only if not yet backed up

        backup="$f.backup"

        if [ ! -e "$backup" ]; then

            cp "$f" "$backup"

        fi

        # the copy operation above could have failed anyway (permissions)

        # don't proceed if there is no backup file

        if [ -e "$backup" ]; then

            #delete the original file

            rm -f "$f"

            #output the backup file without the BOM

            #and write it to the original file location

            sed "s/\xEF\xBB\xBF//" "$backup" > "$f"

        fi

    done 

echo "The following files still contain the BOM marker:"

$cmd1