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Re: [bug-gnulib] gnulib/gnulib-tool shell quoting problem for Solaris /b

From: Bruno Haible
Subject: Re: [bug-gnulib] gnulib/gnulib-tool shell quoting problem for Solaris /bin/sh
Date: Wed, 25 Jan 2006 17:50:47 +0100
User-agent: KMail/1.5

Eric Blake wrote:
> Remember this thread, which patched the same bug in install-sh?
> http://lists.gnu.org/archive/html/bug-autoconf/2005-11/msg00000.html

Thanks for this pointer. It is regrettable that no doc was added to
the autoconf manual about this pitfall.

> Wouldn't "trap ''" be better than "trap :"?  trap '' is documented
> as restoring default behavior of the signal

Huh? That's not what you wrote
and it's not what is written in POSIX

POSIX says that "trap ''" makes the shell "ignore each specified condition
if it arises". That means, if the user presses Ctrl-C, the shell will
continue to run. That's not what I want here. I just wish the Ctrl-C
to trigger no additional commands, and "trap :" looks right for doing this.


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