[IPython-dev] magic for getting exit status
Ben Holroyd
ben_holroyd_1 at hotmail.com
Mon Apr 27 07:58:36 EDT 2009
I'm posting this after being advised to get other peoples feedback on a bug report on launch pad.
https://bugs.launchpad.net/ipython/+bug/365553
What I'm suggesting is basically something similar to $? in bash to get the
exit status, both for magic functions, and normal programs run through
the shell.
At the moment there isn't a way of checking if a
magic function successfully did what it was supposed to, and no way of
returning an exit status without it displaying on screen.
example: i wrote a magic to cd to a directory and ls its contents
(cdl), the obvious way would be to use the existing cd command, except
you can't test if its run successfully.
I know you can use the subprocess or commands module to get exit
codes but its not straight forward and has the disadvantage that you
can't check after the fact if a program exited successfully.
Any thoughts?
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