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Bash

 2 years ago
source link: https://linuxsuren.github.io/blog/os/linux/common/bash/
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替换 echo "ab/c/df" | sed 's/\//-/g'

变量 说明 示例 $# 参数个数

$0 当前脚本文件名

$1 第一个参数，后面的参数则依次类推，例如：第二个参数为$2

$_ 上一条名称的最后一个参数 mkdir temp

命令自动补全

我们可以使用 brew 来安装 bash 的自动补全：brew install bash-completion

我们可以把特定命令的自动补全脚本保存到这个目录中 /usr/local/etc/bash_completion.d

for i in {1..5}
do
  echo $i
done

report

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