http://thoreauz.com/tags/linux/ Recent content in linux on 造舟野渡 Hugo -- gohugo.io zh_CN All rights reserved - 2017 Wed, 08 Feb 2017 22:07:09 +0000 http://thoreauz.com/2017/02/08/shell-function/ Wed, 08 Feb 2017 22:07:09 +0000 http://thoreauz.com/2017/02/08/shell-function/ shell编程五-函数 第一个实例: #!/bin/bash demoFun(){ echo "function run -" } echo "begin function---" demoFun echo "end funtion----" begin function— function run - end funtion—- 带有return语句的函数 求和函 http://thoreauz.com/2017/02/08/shell-string-array/ Wed, 08 Feb 2017 21:30:55 +0000 http://thoreauz.com/2017/02/08/shell-string-array/ shell编程四-字符串数组 字符串 单引号： 单引号里的任何字符都会原样输出，单引号字符串中的变量是无效的； 单引号字串中不能出现单引号（对单引号 http://thoreauz.com/2017/02/08/shell-forloop/ Wed, 08 Feb 2017 13:16:26 +0000 http://thoreauz.com/2017/02/08/shell-forloop/ shell编程三-循环语句 for循环 for var in list do commands done C语言风格的for循环: #!/bin/bash for (( i=1; i <= 10; i ++ )) do echo value is $i done #!/bin/bash for (( a=1, b=10; a <= 10; a++,b-- )) do echo "$a - $b" done w http://thoreauz.com/2017/02/08/shell-structure/ Wed, 08 Feb 2017 10:17:00 +0000 http://thoreauz.com/2017/02/08/shell-structure/ shell编程二-结构化命令 一、if语句 if command then commands fi if判断的并不是一个比值的对错，而是一个命令，命令执行成功退出码为0即为true。例如： #!/bin/bash http://thoreauz.com/2017/02/08/shell-first/ Wed, 08 Feb 2017 00:18:27 +0000 http://thoreauz.com/2017/02/08/shell-first/ shell编程一 一、起步 新建脚本 vim test.sh #!/bin/bash date; who echo '我的第一个"shell"脚本' 第一行指定shell，注释也用#