#!/bin/sh
# renext - Mass File Rename
# Copyright (c) 2006-2008, TundraWare Inc., Des Plaines, IL USA
# All Rights Reserved.  Non-Commercial Use Hereby Permitted.

RCSID="$Id: ren,v 0.102 2008/03/22 18:16:05 root Exp $"

arg=""

if [ $1_ = -v_ ]
then
  arg=$1
  shift
fi

if [ $# != 2 ]
then
  echo "usage: ren [-v]  oldstring newstring"
  echo "      Renames filenames containing 'oldstring' replacing with 'newstring'"

else
  for f in `ls -a *$1* 2>/dev/null`
    do
      tgt=`echo $f | sed s/${1}/${2}/g`
      if [ $f != $tgt ]
      then
        mv ${arg} $f $tgt
      fi
    done
fi