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Re: Incorrect alias substitution
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From: |
Vincent Lefevre |
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Subject: |
Re: Incorrect alias substitution |
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Date: |
Wed, 25 Feb 2009 03:14:46 +0100 |
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User-agent: |
Mutt/1.5.19-vl-r26315 (2009-02-20) |
On 2009-02-24 19:32:05 -0500, Paul Jarc wrote:
> Vincent Lefevre <vincent@vinc17.org> wrote:
> > I get the following errors with bash 3.2.39 under Debian/unstable:
> >
> > bash -c 'alias a="echo OK >&2"
> > a
> > > /dev/null a'
> > bash: line 1: a: command not found
> > bash: line 2: a: command not found
>
> aliases aren't expanded by a non-interactive bash by default. If you
> do "shopt -s expand_aliases", then they'll be expanded.
I can see that "a" is expanded if I use --posix.
But "> /dev/null a" is not expanded, while the other shells expand it.
--
Vincent Lefèvre <vincent@vinc17.org> - Web: <http://www.vinc17.org/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/>
Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)