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        Python子进程readlines()?

        Python subprocess readlines()?(Python子进程readlines()?)
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                • 本文介绍了Python子进程readlines()?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  所以我正在尝试按照用户指南的建议从 os.popen 转移到 subprocess.popen.我遇到的唯一麻烦是我似乎找不到使 readlines() 工作的方法.

                  So I'm trying to move away from os.popen to subprocess.popen as recommended by the user guide. The only trouble I'm having is I can't seem to find a way of making readlines() work.

                  原来我能做到

                  list = os.popen('ls -l').readlines()
                  

                  但我做不到

                  list = subprocess.Popen(['ls','-l']).readlines()
                  

                  推荐答案

                  配合subprocess.Popen,使用communicate读写数据:

                  out, err = subprocess.Popen(['ls','-l'], stdout=subprocess.PIPE).communicate() 
                  

                  然后,您始终可以使用 splitlines() 从进程的 stdout 中拆分字符串.

                  Then you can always split the string from the processes' stdout with splitlines().

                  out = out.splitlines()
                  

                  这篇关于Python子进程readlines()?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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