From: "Andrej Borsenkow" <Andrej.Borsenkow@mow.siemens.ru>
To: "Peter Stephenson" <pws@ibmth.df.unipi.it>,
"Zsh hackers list" <zsh-workers@sunsite.auc.dk>
Subject: RE: Un-patch: new pattern matching code
Date: Sat, 7 Aug 1999 13:02:16 +0400 [thread overview]
Message-ID: <000001bee0b3$8c181970$21c9ca95@mow.siemens.ru> (raw)
In-Reply-To: <9908061547.AA37737@ibmth.df.unipi.it>
>
> The other cpp definition is BACKREFERENCES, which enables backreferencing
> of parentheses in patterns like sed and perl do. I haven't enabled it
> because I don't know what, if anything, I'm going to do with it.
This may prove useful for ${.../...} case at least. More general use depends on
scope of these references. If e.g. the result of last pattern mathing is
available (much like in Perl) as, say, ``pattern'' array, than it may be even
more useful in case like
if [[ ... == ... ]]
foo="$pattern[1]-$pattern[3]"
that would completely eliminate need of expr. (I am not sure, that there is easy
way in Zsh to extract matched subpattern currently)
/andrej
next prev parent reply other threads:[~1999-08-07 9:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-08-06 15:47 Peter Stephenson
1999-08-07 9:02 ` Andrej Borsenkow [this message]
1999-08-07 17:48 ` Bart Schaefer
1999-08-08 10:04 ` Extended glob patterns in ${...#..} " Andrej Borsenkow
1999-08-09 4:25 ` Bart Schaefer
1999-08-09 6:25 ` Andrej Borsenkow
1999-08-09 17:10 ` Bart Schaefer
1999-08-09 8:21 ` Andrej Borsenkow
1999-08-09 17:23 ` Bart Schaefer
1999-08-09 8:10 ` Bug? " Andrej Borsenkow
1999-08-09 8:00 Sven Wischnowsky
1999-08-09 8:14 ` Andrej Borsenkow
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