#!/bin/bash
# REN - A good DOS-alike renaming command to rename *.mm to *.nn
# by O. La Rosa - 20-02-2008 - Public 
# 

read -p"REName all *." BLAH
test -z "$BLAH" && exit
read -p"       to  *." BLIH
test -z "$BLIH" && exit

for i in *.$BLAH; do mv "$i" "${i/%.$BLAH/.$BLIH}"; done
ls -mpF *.$BLIH |more
exit