GNU bug report logs - #12689
24.2; Eshell ${cmd} substitution

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Package: emacs;

Reported by: Aidan Gauland <aidalgol <at> no8wireless.co.nz>

Date: Sat, 20 Oct 2012 08:09:02 UTC

Severity: normal

Found in version 24.2

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Message #32 received at 12689 <at> debbugs.gnu.org (full text, mbox):

From: Samer Masterson <samer <at> samertm.com>
To: John Wiegley <johnw <at> newartisans.com>
Cc: Eli Zaretskii <eliz <at> gnu.org>, 12689 <at> debbugs.gnu.org
Subject: Re: bug#12689: 24.2; Eshell ${cmd} substitution
Date: Sun, 05 Apr 2015 21:54:35 -0700

On Sun, Apr 5, 2015 at 9:19 PM, John Wiegley <johnw <at> newartisans.com> wrote
> I'm wondering what the rationale is for making this change?

The issue is that subprocesses that call external commands don't
wait for the command to complete before returning. For instance,
the following command:

  $ echo ${/bin/echo "hi"}

returns nothing w/o the patch applied, where:

  $ echo ${echo "hi"}

returns "hi".

-samer
This bug report was last modified 3 years and 42 days ago.

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