Shell script有幾種寫法 - Linux
By Erin
at 2014-07-29T15:14
at 2014-07-29T15:14
Table of Contents
最近遇到的詭異問題
照裡說script前端宣告了 #!/bin/bach 後
應該只有一種寫法吧?!
可是我發現我寫 if 條件判斷的時候...
完全不能使用一般資料上寫的 if[條件]; then
那樣子會syntax error
後來我摸了很久 才發現用 if expr (條件); then 可以
可是好像沒人介紹這種寫法啊 我是自己亂湊湊出來的
我用的版本是Fedora 14 / 16 ... 目前試起來都這樣
--
照裡說script前端宣告了 #!/bin/bach 後
應該只有一種寫法吧?!
可是我發現我寫 if 條件判斷的時候...
完全不能使用一般資料上寫的 if[條件]; then
那樣子會syntax error
後來我摸了很久 才發現用 if expr (條件); then 可以
可是好像沒人介紹這種寫法啊 我是自己亂湊湊出來的
我用的版本是Fedora 14 / 16 ... 目前試起來都這樣
--
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Linux
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