From: Dan Nelson <dnelson@allantgroup.com>
To: Atom Smasher <atom@smasher.org>
Cc: zsh-users@sunsite.dk
Subject: Re: unexpected wildcard issue
Date: Wed, 7 Mar 2007 22:54:33 -0600 [thread overview]
Message-ID: <20070308045433.GQ86959@dan.emsphone.com> (raw)
In-Reply-To: <20070308045130.66826.qmail@smasher.org>
In the last episode (Mar 07), Atom Smasher said:
> ### create some "xyz" file
> $ touch {1..10}.xyz
>
> ### check that they're there, using a wildcard
> $ ls *xyz
> 0.xyz 1.xyz 10.xyz 2.xyz 3.xyz 4.xyz 5.xyz 6.xyz 7.xyz
> 8.xyz 9.xyz
>
> ### create another file with a leading dash in the filename
> $ touch ./-11.xyz
>
> ### check again, with a wildcard
> $ ls *xyz
> ls: illegal option -- .
> usage: ls [-ABCFGHILPRSTWZabcdfghiklmnopqrstuwx1] [file ...]
>
> :::::::::::
>
> should the shell protect expanded file names, as if they were entered
> in quotes?
Doesn't matter. Even if quoted, ls would still see as its first
argument something starting with a dash, which it will interpret as an
option. Use "ls -- *xyz" or "ls ./*xyz" to ensure that none of the
expanded filenames get mistaken for options.
--
Dan Nelson
dnelson@allantgroup.com
next prev parent reply other threads:[~2007-03-08 4:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-08 4:51 Atom Smasher
2007-03-08 4:54 ` Dan Nelson [this message]
2007-03-08 5:12 ` Atom Smasher
2007-03-08 17:47 ` Bart Schaefer
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