[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: ksh style [[ conditional does not match patterns
|
From: |
Eric Blake |
|
Subject: |
Re: ksh style [[ conditional does not match patterns |
|
Date: |
Thu, 08 Dec 2005 19:45:53 -0700 |
|
User-agent: |
Mozilla Thunderbird 1.0.2 (Windows/20050317) |
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
According to Michael Wardle on 12/8/2005 7:22 PM:
> Yet when I attempt a simple match, it doesn't work:
>
> bash-3.00$ [[ "foo" == "foo" ]]
> bash-3.00$ echo $?
> 0
> bash-3.00$ [[ "foo" == "fo?" ]]
> bash-3.00$ echo $?
> 1
Globbing (pattern matching) is suppressed by quotes. Try removing the quotes:
$ [[ foo == fo? ]]
$ echo $?
0
However, there IS a bug here:
$ [[ foo == "fo?" ]]
$ echo ${PIPESTATUS[*]} $?
0 1
How come [[ didn't affect $PIPESTATUS?
$ echo ${BASH_VERSINFO[*]}
3 00 16 12 release i686-pc-cygwin
- --
Life is short - so eat dessert first!
Eric Blake ebb9@byu.net
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.1 (Cygwin)
Comment: Public key at home.comcast.net/~ericblake/eblake.gpg
Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org
iD8DBQFDmO/h84KuGfSFAYARAhV3AJ44DHoYR760xDVWcmQpFalcqrT99gCdGfKH
slYOyaLZcq6mn8G5OYv1M1I=
=Hz7S
-----END PGP SIGNATURE-----