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Re: Asynchronous shell command that leaves a background process running
From: |
Pascal J. Bourguignon |
Subject: |
Re: Asynchronous shell command that leaves a background process running |
Date: |
Wed, 08 Dec 2010 15:32:42 -0000 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) |
Sean McAfee <eefacm@gmail.com> writes:
> I've written a shell script which is essentially a single exec command:
>
> #!/bin/bash
> exec real-program fixedarg1 fixedarg2 "$@"
>
> "real-program" chugs along for several seconds, printing some status
> messages in the meantime, before finally forking off a background
> process and exiting. The background process manifests a window on my
> desktop.
>
> All is well when I run this command from an interactive shell, but
> things fall apart when I try to run it as an asynchronous shell command
> from Emacs, a la:
>
> (shell-command "wrapper-script arg1 arg2 &")
> [...]
> Is there a more elegant way to address this problem?
You can use:
(shell-command "wrapper-script arg1 arg2 & disown")
But really, the problem is with your real-program, which should be doing
the same as disown (setting a new process group, etc), since it exits
before its children.
--
__Pascal Bourguignon__ http://www.informatimago.com/