shell script

先欠著之後寫
最後就會發現我欠一大堆東西 = =



reference
http://www.suse.url.tw/sles10/lesson10.htm
http://www.linuxsir.org/bbs/thread346522.html
http://marcustsai.blogspot.tw/2010/09/bash.html
http://blog.xuite.net/tolarku/blog/83050297-%5BShell+Script%5D+%E7%B0%A1%E5%96%AE%E8%AA%AA%E6%98%8E
http://dreamtails.pixnet.net/blog/post/27845385-%E7%94%A8sed%E5%81%9A%E6%90%9C%E5%B0%8B%28search%29%E4%B8%A6%E5%8F%96%E4%BB%A3%28replace%29
http://blog.xuite.net/chingwei/blog/27862282-%E3%80%90%E7%A8%8B%E5%BC%8F%E3%80%91Shell+Script+%3A+%E6%88%AA%E5%8F%96%E9%83%A8%E4%BB%BD%E5%AD%97%E4%B8%B2+substr
http://www.ubuntu-tw.org/modules/newbb/viewtopic.php?topic_id=87034