texts = os.popen('top').readlines()
print texts
It calls the command line "top" and will print out some texts.
But first I have to press the keyboard "q" to quit the subprocess "top", then
the texts will be printed, otherwise it just stands by with blank.
Question
is. Do you know how to give "q" into my python script so that "top" is
automatically quit immediately or maybe after 1s and print out the texts.
Well as a workaround, my version of top (on Debian) supports a
"-n" parameter so you can tell it how many iterations you want it
to perform before quitting. So you should be able to just use
os.popen('top -n1').readlines()
-tkc
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