A wrapper script of mv command to add a prefix to a file name.

prefixer.sh

#!/bin/bash
# $Id: prefixer.sh,v 1.1 2013-10-04 13:34:41+09 shirai Exp shirai $
ArgFile=$1
prefix=$2
main(){
  check_args $@
	mv -vi $ArgFile ${prefix}${ArgFile}
}

check_args(){
	if [ ! -e "$ArgFile" ];then
		echo " Usage: $0  filename  prefix   (default prefix=\"_\" )"
		exit
	elif [ "$prefix" = "" ];then
		prefix="_"
	fi
}

diae(){
echo $@
$@
}

main $@