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From: Brian McDonald <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: /etc/bash_completion.d/surfraw breaks bashes pwd command
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Date: Sat, 04 Sep 2004 13:42:04 -0400
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Package: surfraw
Version: 2.0.2-1
Severity: critical
Tags: patch
Justification: breaks unrelated software
-- System Information:
Debian Release: 3.1
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i586)
Kernel: Linux 2.4.27-1-586tsc
Locale: LANG=C, LC_CTYPE=C
Versions of packages surfraw depends on:
ii debconf 1.4.30.2 Debian configuration management sy
ii dillo [www-browser] 0.8.1-1 GTK-based web browser
ii elinks [www-browser] 0.9.1+0.9.2pre4-1 Character mode WWW/FTP browser
ii konqueror [www-browser 4:3.2.2-1 KDE's advanced File Manager, Web B
ii lynx [www-browser] 2.8.5-1 Text-mode WWW Browser
ii mozilla-browser [www-b 2:1.6-5 Mozilla Web Browser - core and bro
ii mozilla-firefox [www-b 0.8-12 lightweight web browser based on M
ii w3m [www-browser] 0.5.1-1 WWW browsable pager with excellent
-- debconf information:
surfraw/surfraw-v2-upgrade:
* surfraw/surfraw-path:
When issueing the `pwd` command at the bash prompt I get the following
error:
[EMAIL PROTECTED] bash
[EMAIL PROTECTED] pwd
/home/brian
bash: pwd: write error: No such file or directory
[EMAIL PROTECTED]
if I change the last line of /etc/bash_completion.d/surfraw from
type -p surfraw >&- && complete -F _surfraw surfraw sr
to
type -p surfraw >/dev/null 2>&1 && complete -F _surfraw surfraw sr
and start a new shell, the error messages goes away.
Looking up the ` >&- ` construct in the bash manpage although ambiguous,
seems to correspond with the following definition:
Duplicating File Descriptors
The redirection operator
[n]<&word
is used to duplicate input file descriptors. If word expands to one or
more digits, the file descriptor denoted by n is made to be a copy of
that file descriptor. If the digits in word do not specify a file
descriptor open for input, a redirection error occurs. If word evalu-
ates to -, file descriptor n is closed. If n is not specified, the
standard input (file descriptor 0) is used.
The operator
[n]>&word
is used similarly to duplicate output file descriptors. If n is not
specified, the standard output (file descriptor 1) is used. If the
digits in word do not specify a file descriptor open for output, a
redirection error occurs. As a special case, if n is omitted, and word
does not expand to one or more digits, the standard output and standard
error are redirected as described previously.
I take this to mean that stdout is being copied to stdout and then stdout is
closed. I think closing stdout is the problem.
I also think testing for a condition after the function has already been
loaded into the enviroment may unnesessarily bloat the enviroment, so my
modification to the file wraps the function in the test.
Note my scripting abilities are poor but the following works for me:
diff surfraw surfraw.new
1a2
> if [ `type -p surfraw` ] ; then
26c27,28
< type -p surfraw >&- && complete -F _surfraw surfraw sr
---
> complete -F _surfraw surfraw sr
> fi
---------------------------------------
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(envelope-from ianb)
Date: Fri, 22 Apr 2005 18:54:02 +0100
From: Ian Beckwith <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Subject: fixed
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This is fixed in 2.1.0-1, now in unstable, but the Closes: was ignored
(because it was in the changelog entry for a previous, unreleased version.)
I'm closing it now, thanks for the patch.
Ian.
--
Ian Beckwith - [EMAIL PROTECTED] - http://nessie.mcc.ac.uk/~ianb/
GPG fingerprint: AF6C C0F1 1E74 424B BCD5 4814 40EC C154 A8BA C1EA
Listening to: Radiohead - Hail to the Thief - Myxomatosis
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