how to change os.popen4 to subprocess
Mark Lawrence
breamoreboy at yahoo.co.uk
Fri Oct 26 23:10:33 EDT 2012
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Fri Oct 26 23:10:33 EDT 2012
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On 27/10/2012 03:28, skyworld wrote: > Hi, > > I'm new to python and I'm trying to porting some scripts from v0.96 to > v2.0.1. A piece of code is like this: What software are you talking about here, it's certainly not Python versions as the most up to date are 2.7.3 and 3.3.0? > > cmd_h = os.popen4(env['SYSCMDLINE'])[1] > > the system indicates the popen4 is deprecated and suggest to use > subprocess. Can anybody tell me how to use subprocess in this case? > and what does "[1]" here means? If you don't know what the [1] means you've got problems :) I suggest you read the tutorial here first http://docs.python.org/tutorial/index.html then the subprocess module here http://docs.python.org/library/subprocess.html#module-subprocess, specifically http://docs.python.org/library/subprocess.html#subprocess-replacements > > thanks. > No problem. -- Cheers. Mark Lawrence.
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