Shell Script - Bulk Renaming Files

Script : Bulk-Renaming Files

Script Name: bulkrename.sh

Script Function: It takes two arguments for the text to match and replace, and a list of arguments specifying the files you want to rename.

Script Usage: ./bulkrename.sh -f find -r replace FILES_TO_RENAME*

Code:

#!/bin/bash
# bulkrename--Renames specified files by replacing text in the filename

printHelp()
{
echo "Usage: $0 -f find -r replace FILES_TO_RENAME*"
echo -e "\t-f The text to find in the filename"
echo -e "\t-r The replacement text for the new filename"
exit 1
}

while getopts "f:r:" opt
do
case "$opt" in
r ) replace="$OPTARG" ;;
f ) match="$OPTARG" ;;
? ) printHelp ;;
esac

done

shift $(( $OPTIND - 1 ))

if [ -z $replace ] || [ -z $match ]
then
echo "You need to supply a string to find and a string to replace";
printHelp
fi

for i in $@
do
newname=$(echo $i | sed "s/$match/$replace/")
mv $i $newname
&& echo "Renamed file $i to $newname"
done