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
原文：http://www.cnblogs.com/wanghuaijun/p/5505835.html