my_basename

#!/bin/bash
#yields the end filename of an absolute path

script=$( basename "$0") 
if [ $# -eq 0 -o $# -gt 2 ]; then
   echo "Usage: $script <argument>...(single arg)"  1>&2
   exit 1
fi

IFS='/'

set $@  
 
#debug echo "This is my array $ @: $@"
#echo "$ 1 = $1 , $ 2 = $2 , $ 3 = $3 "

output=($@) 
n=$# 
echo ${output[$n-1]}