rene.sh

#!/bin/bash
# Simple sed-based file renamer
if [[ $1 == "" ]]; then
	echo "No sed expression specified"
	exit 0
fi

DATA=$(ls -1q); IFS=$'\n';
for A in $DATA; do
	B=$(echo "$A" | sed -e "$1")
	if [[ $A != $B ]]; then
		echo "$A -> $B"
		mv "$A" "$B"
	fi
done;