#!/bin/bash
# check number of arguments 
if [[ $# -lt 2 ]]; then
     echo "Usage :  $0 prefixe fichier ..." >&2
     exit 1    
fi
prefixe=$1 ; shift
i=1
for file in "$@"
do
	[ ! -e "$file" ] && continue 
	dir=$(dirname $file)
	nom=$(basename $file)
	suffix=${file##*.}
	newname=$dir"/"$prefixe$i"."$suffix
	echo $newname
	((i++))
done  
exit 0