If i get the input as ls, how to pass the value in the call function and get output?
Example
$ Enter any command: ls
$ log.txt file.txt
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maybe this helps: http://stackoverflow.com/questions/1996518/retrieving-the-output-of-subprocess-call – Marcel Pfeiffer Jul 01 '15 at 06:17
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By get output you mean print it (as in the example) or returning value? – Eriks Dobelis Jul 01 '15 at 06:24
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Simplifying Retrieving the output of subprocess.call() for the question:
from subprocess import Popen, PIPE
p = subprocess.Popen(['ls', '-l'], stdout = PIPE)
result = p.communicate()
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use `subprocess.check_output()` as shown in the 2nd answer of the question that you've linked. – jfs Jul 01 '15 at 16:30