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Re: bin/43404: tab completion oddities in sh

The following reply was made to PR bin/43404; it has been noted by GNATS.

From: David Holland <>
Subject: Re: bin/43404: tab completion oddities in sh
Date: Thu, 3 Jun 2010 01:55:31 +0000

 On Wed, Jun 02, 2010 at 08:50:06AM +0000, Martin Husemann wrote:
  >  I can reproduce this, so it certainly isn't your setup.
 ...except that it is. The default /root/.shrc contains
 if [ -f /etc/shrc ]; then
         . /etc/shrc
 and /etc/shrc sets both -o emacs and -o tabcomplete.
 The issue appears to be that (1) because su doesn't start a login
 shell by default, it doesn't read /root/.profile, but a console root
 login does, leading to differing behavior, (2) you need set -o emacs
 as well as set -o tabcomplete for it to do anything, (3) several of my
 machines were installed long enough ago that they don't have /etc/shrc
 in place, and (4) when I checked /root/.profile and /root/.shrc point
 #3 caused me to not look at the /etc/shrc on the newly installed
 machines so I didn't see the set -o instances.
  >  Is /etc/shrc correct in running the set -o tabcomplete in a subshell?
 Yes; it runs it both in and out of a subshell to avoid visible error
 messages in ksh.
 David A. Holland

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