Linux shell脚本if 的相关内容

[帮助文档] Linux系统的Shell命令如何查看实例的系统配置

通过云助手，您无需逐一登录ECS实例进行运维操作，只需编写可以查询系统配置的云助手命令，并根据系统返回信息做出应对机制，例如是否继续下载或者更新软件。本文以适用于Linux系统的Shell命令为例，介绍如何查看实例的系统配置。

LINUX SHELL脚本的if语句实在是诡异

这语法实在是让人记不住。比如说判断参数1是否为0:1. if [ "$1" = "0" ] ; then 2. echo $1 3. fi这里[];then都是多余的。有的时候还要使用-ne之类，更是让人抓狂。不是说脚本简单吗？这明明比java/c都复杂。

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Linux shell脚本中与if相关参数说明

[ -a FILE ] 如果 FILE 存在则为真。 [ -b FILE ] 如果 FILE 存在且是一个块特殊文件则为真。 [ -c FILE ] 如果 FILE 存在且是一个字特殊文件则为真。 [ -d FILE ]&nbs...

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更新时间 2023-01-13 19:07:54

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