同其他语言一样,shell也可以包含外部脚本。执行引用脚本可以使用source或 .
示例1
- test.sh
#shell
#!/bin/sh
echo "test.sh开始执行"
wc -l << EOF
hello world
hello java
hello ruby
EOF
echo "test.sh执行结束"
- test2.sh
#shell
#!/bin/sh
echo "$0开始执行"
source test.sh
echo "$0执行结束"
![](https://images2018.cnblogs.com/blog/1418970/201809/1418970-20180907072837628-1149553793.png)
- test2.sh
#!/bin/sh
echo "$0开始执行"
. test.sh
echo "$0执行结束"
![](https://images2018.cnblogs.com/blog/1418970/201809/1418970-20180907073452149-318612644.png)