Problem working with subprocess.check_call

[Laura Creighton]

In a message of Thu, 29 Oct 2015 11:11:17 +0100, Laura Creighton writes:
>In a message of Thu, 29 Oct 2015 09:52:56 +0000, David Aldrich writes:
>>Hi
>>
>>I am working on Linux with Python 3.4.
>>
>>I want to do a bash diff on two text files and show just the first 20 lines of diff's output.  So I tried:
>>
>>>>> cmd = 'head -20 <(diff ' + file1 + ' ' + file2 + ')'
>>>>> subprocess.check_call(cmd, shell=True)
>
>I am reading https://docs.python.org/3.5/library/subprocess.html
>
>because my first thought was that shell should be False here.
>The doc doesn't say.  Filing doc bug now.
>
>Laura

False alarm, I just cannot read today.  Inject more caffeine and try again.

Laura