#!/bin/sh # expression() { file="/home/starlits/html/long.file.name" echo " ${file##/*/} # long.file.name ${file#/*/} # starlits/html/long.file.name $file # /home/starlits/html/long.file.name ${file%.*} # /home/starlits/html/long.file ${file%%.*} # /home/starlits/html/long " } expression