python标准库介绍——34 commands 模块详解

Posted 2020-10-13

==commands 模块==


(只用于 Unix) ``commands`` 模块包含一些用于执行外部命令的函数. 
[Example 3-7 #eg-3-7] 展示了这个模块.

====Example 3-7. 使用 commands 模块====[eg-3-7]

```
File: commands-example-1.py

import commands

stat, output = commands.getstatusoutput("ls -lR")

print "status", "=>", stat
print "output", "=>", len(output), "bytes"

*B*status => 0
output => 171046 bytes*b*
```