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