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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: "Štěpán Němec" <stepnem@gmail.com>
Cc: Arni Magnusson <arnima@hafro.is>, 6202@debbugs.gnu.org
Subject: bug#6202: Async shell command, switching mode, and sleep-for
Date: Mon, 17 May 2010 09:30:23 -0400	[thread overview]
Message-ID: <jwvaaryy7yz.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87ocgeq2cs.fsf@gmail.com> ("Štěpán Němec"'s message of "Mon, 17 May 2010 11:55:31 +0200")

>> I strongly recommend to stay away from shell-command and friends in Lisp
>> code (they're mostly used and meant for interactive use), and use
>> start-process instead.
> Wouldn't it make sense to have such a strong recommendation mentioned
> somewhere user-visible, such as in the relevant commands' docstrings?

Yes, maybe that would make sense.  We do that for some other
commands already.  But note that for shell-command it's not nearly as
much of a problem, for the reasons you mentioned: it has a lot of stuff
built-in that annoys Elisp uses so programmers tend to find
start-process on their own out of necessity.

This is in contrast to things like next-line, which appear to do the
right thing for a naive Lisp programmer and will only produce unexpected
results in "unusual" cases.


        Stefan





  reply	other threads:[~2010-05-17 13:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-16 15:01 bug#6202: Async shell command, switching mode, and sleep-for Arni Magnusson
2010-05-16 20:48 ` Stefan Monnier
2010-05-17  9:55   ` Štěpán Němec
2010-05-17 13:30     ` Stefan Monnier [this message]
2016-07-07  0:01 ` npostavs
2016-07-07 15:37   ` Eli Zaretskii

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