Batch file renaming with bash

batchrename.sh

# Name:
#     batchrename 
# 
# Synopsis:
#     batchrename SEARCH [REPLACE]
#
# Description:
#     Bash file renaming function. Can accept regular expression arguments

function batchrename {
	search=$1
	replace=$2
	for f in *; do
		newname=$( echo $f | eval sed "s/$search/$replace/" )
		if [ $newname != $f ]; then
			mv $f $newname
			echo "Renaming $f => $newname"
		fi
	done
}