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Re: [Question #242206]: write os.system generated message to csv-file

To: sikuli-driver@xxxxxxxxxxxxxxxxxxx
From: RaiMan <question242206@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 15 Jan 2014 09:41:28 -0000
Reply-to: question242206@xxxxxxxxxxxxxxxxxxxxx
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Question #242206 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/242206

RaiMan proposed the following answer:
@obiwan-92
With subprocess.Popen() you have to either use a list of strings building the command line with the first being the program to run or one string, that is taken as the command with it's parameters (difficult if some quoting is needed.

Since he uses $() it seems to be a unix-like system (Mac or Linux). The the program to run the echo is the shell.
For these cases Popen has to be told to use the shell:

p = sub.Popen("echo $(date +'%Y-%m-%d
%H:%M:%S')",shell=True,stdout=sub.PIPE,stderr=sub.PIPE)

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