## POSIX compliant function to replace basename

_basename()
{
  case $1 in
    --) shift ;;
  esac
  fn_path=$1
  fn_suffix=$2
  _BASENAME=
  case $fn_path in
    ## The spec says: "If string is a null string, it is
    ## unspecified whether the resulting string is '.'  or a
    ## null string. This implementation returns a null string
    "") return ;;
    *) fn_path=${fn_path%"${fn_path##*[!/]}"} ## strip trailing slashes
    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()
{
    _basename "$@" &&
    printf "%s\n" "$_BASENAME"
}