bashshell编程

大话bashshell脚本编程

如：1 2 3 4 5 6[root@stu13~]#declare-i sum=0[root@stu13~]#let sum+4[root@stu13~]#declare-p sum declare-i sum="4"[root@stu13~]#echo$sum 4 三、bashshell的条件测试。程序中有了判断语句(if)、循环语句(for,until,while)、选择语句...

bash/shell编程学习(2)

then echo '~/is a directory' else echo '~/is not a directory' fi-f即判断是否为file,-d即判断是否为directory,输出结果：+'['-f/Users/yjmyzz/.bash_profile ']'+echo '~/.bash_profile is a file'~/.bash_profile is a file+printf '\...

bash/shell编程学习(3)

测试一下：~./app-run.sh app is starting.ok,the pid is:3168~ps-ef|grep app-test.sh 501 3168 1 0 6:26PM ttys001 0:00.01/bin/bash./app-test.sh 即：$!可以取到nohup后台启动的程序对应的pid 将前面写到的这些知识，来一个综合练习：#...

bash/shell编程学习(1)

4)参数引用shell脚本运行时，可以接受参数，类似 xx.sh a b c，脚本内容可用$1，$2.来引用，示例；printf 'arg1:%s \narg2:%s\n'$1$2 将上面这行，保存成test.sh，然后chmod+x test.sh(赋给可执行权限)然后./test.sh a b 将输出：arg1:aarg...

开始你的bash/shell脚本编程

本文包含语法，shell脚本的基础知识到中级shell编程，通过这篇文章你可以学习shell的相关知识，并且通过shell来实现Unix/Linux之间的接口 1_qo-oir60xdhic3wjqpu64g 介绍您可能已经多次遇到过“脚本”这个词，但脚本的的含义是什么意思呢...

1

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