Shell中调用、引用、包含另一个脚本文件的三种方法

脚本 first (测试示例1)

first

#!/bin/bash

echo your are in first file

方法一:使用source

#!/bin/bash

echo your are in second file

source first

方法二:使用.

#!/bin/bash

echo your are in second file

. first

方法三:使用sh

#!/bin/bash

echo your are in second file

sh  first