#! /bin/bash echo what programming lanuages do you know? for i in python C# java ruby perl do echo i know : $i done
[root@lenny Desktop]# ./for.sh what programming lanuages do you know? i know : python i know : C# i know : java i know : ruby i know : perl
原文：http://www.cnblogs.com/leonarcohen/p/6155280.html