猛砸，参数列表段 [英] Bash, argument list segment

问题描述

如果您有蟒蛇的列表，你想从2到n的元素可以做一些漂亮的像

If you have a list in python, and you want the elements from 2 to n can do something nice like

list[2:]

我想在Bash中使用的argv类似的东西。我想通过所有从$ 2元argc那样的命令。我目前有

I'd like to something similar with argv in Bash. I want to pass all the elements from $2 to argc to a command. I currently have

command $2 $3 $4 $5 $6 $7 $8 $9

但小于优雅。会是正确的方法是什么？

but this is less than elegant. Would would be the "proper" way?

推荐答案

您可以做的切片，以及 $ @ 得到所有的参数在bash。

you can do "slicing" as well, $@ gets all the arguments in bash.

echo "${@:2}"

第二次获取论据起

gets 2nd argument onwards

例如

$ cat shell.sh
#!/bin/bash
echo "${@:2}"

$ ./shell.sh 1 2 3 4
2 3 4

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