如何从bash读取参数 [英] How to read arguments from bash

问题描述

我很好奇如何通过终端将参数传递给bash脚本并读取它们并根据参数处理脚本函数.

I am curious as to how to pass in arguments via terminal to the bash script and read them and process the script functions based on the arguments.

所以，如果我做了类似的事情:

So if I did something like:

./scriptname.sh install
#or
./scriptname.sh assets install

我怎么说，好的，第一个参数安装了某些东西，而第二个参数则根据第一个参数执行了其他操作.

How would I say, ok the first argument installs something, while the second sais to do something else based on the first argument.

推荐答案

$0 is the name of the command
$1 first parameter
$2 second parameter
$3 third parameter etc. etc
$# total number of parameters

 for args in $* 

   blah blah 

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