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Message-ID: <52B11F9C.9050100@redhat.com>
Date: Tue, 17 Dec 2013 21:07:56 -0700
From: Eric Blake <eblake AT redhat DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: Change in behavior of bash / if [
References: <6CF2FC1279D0844C9357664DC5A08BA21F8C0A AT MLBXV06 DOT nih DOT gov>
In-Reply-To: <6CF2FC1279D0844C9357664DC5A08BA21F8C0A@MLBXV06.nih.gov>
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On 12/17/2013 08:02 PM, Buchbinder, Barry (NIH/NIAID) [E] wrote:
> Today, a script that I use every day stated giving me the following
> error message.  (I grant that it might have started earlier and I
> didn't notice.)  Note that although it gave the error message, the
> script seems to still have worked.
>=20
> ./lddir: line 77: [: too many arguments
>=20
> Line 77 was as follows.  I'm testing whether $1 is "clip".
>=20
> if [ x$1 =3D xclip ]

What was $1 at the time?

>=20
> I fixed it with this.
>=20
> if [ "x$1" =3D xclip ]

Yes, this is the correct fix for the improper quotation of the earlier
example.

>=20
> 32-bit, everything was up to date.
>=20
> I've solved my problem, but the change was unexpected and, for me,
> inexplicable, so I thought that I'd report it.

Your quoting error would produce the same message on Linux; it is not
cygwin-specific.

>=20
> Let me know if you want/need more information.

Without knowing how $1 was set, I can only guess that it contained
something with characters in $IFS and therefore the word-splitting of
the unquoted use caused too many arguments to [.

--=20
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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