#!/bin/bash
## POSIX compliant function to replace basename
# derived from ShellDorado
_basename()
{
    fn_path=$1
    fn_suffix=$2
    case $fn_path in
        ## The spec says: "If string is a null string, it is
        ## unspecified whether the resulting string is '.'  or a
        ## null string. This implementation returns a null string
        "") return ;;
        *)  ## strip trailing slashes
            while :
            do
              case $fn_path in
                  */) fn_path=${fn_path%/} ;;
                  *) break ;;
              esac
            done
            case $fn_path in
                "") fn_path="/" ;;
                *) fn_path=${fn_path##*/} ;;
            esac
            ;;
    esac
    case $fn_path in
	$fn_suffix | "/" ) _BASENAME="$fn_path" ;;
        *) _BASENAME=${fn_path%$fn_suffix}
    esac
}

_basename "$@" && printf "%s\n" "$_BASENAME"