python中popen
时间: 2023-08-31 10:07:49 浏览: 48
在Python中,Popen是subprocess模块提供的一个函数,用于启动一个新进程并与之交互。它可以执行外部命令,并获取命令的输出结果。\[1\]Popen的基本用法如下:
```python
from subprocess import Popen, PIPE
cmd = "ls -l"
p = Popen(cmd, stdout=PIPE)
output, err = p.communicate()
```
上述代码中,我们使用Popen函数执行了一个命令"ls -l",并将其输出结果保存在output变量中。通过Popen的stdout参数,我们可以将命令的输出重定向到一个管道,然后使用communicate方法获取输出结果。\[3\]
参考资料:
\[1\] https://www.runoob.com/python/os-popen.html
\[2\] https://blog.csdn.net/fanren224/article/details/84828162
\[3\] https://blog.51cto.com/2681882/2317053
#### 引用[.reference_title]
- *1* *3* [chatgpt赋能python:Python的Popen介绍及使用方法](https://blog.csdn.net/u012804784/article/details/131356848)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down28v1,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [[638]python os.popen() 方法](https://blog.csdn.net/xc_zhou/article/details/96445422)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^insert_down28v1,239^v3^insert_chatgpt"}} ] [.reference_item]
[ .reference_list ]