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bug#9450: Bug report on 'dirname' : when jokers match several files
From: |
Eric Blake |
Subject: |
bug#9450: Bug report on 'dirname' : when jokers match several files |
Date: |
Tue, 06 Sep 2011 08:24:17 -0600 |
User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.20) Gecko/20110817 Fedora/3.1.12-1.fc14 Lightning/1.0b3pre Mnenhy/0.8.3 Thunderbird/3.1.12 |
9450 tag wishlist
thanks
On 09/06/2011 07:53 AM, Laurent TARRISSE wrote:
Hi
Here this a strange behaviour using 'dirname' with joker filename:
The term is 'wildcard', not 'joker'
dirname: too many arguments
Try `dirname --help' for more information.
Thanks for the report. To some degree, this is expected behavior: POSIX
requires that portable shell scripts pass exactly one argument to
dirname, so passing 0 or more than 1 arguments is necessarily in the
realm of non-portable code, and we would rather error out if we don't
have any better defined semantics for an extension.
Could 'dirname' process only its first parameter ?
No. But there _has_ been requests in the past to add an extension to
GNU coreutils to match BSD dirname/basename semantics of optionally
taking more than one parameter:
https://lists.gnu.org/archive/html/bug-coreutils/2010-05/msg00015.html
But so far, no one has submitted patches. Therefore, I'll keep this bug
report open, but tag it as a wishlist.
--
Eric Blake address@hidden +1-801-349-2682
Libvirt virtualization library http://libvirt.org