* *(@)/subdir expansion
@ 2004-06-07 22:44 Andy Isaacson
2004-06-08 8:31 ` Thomas Köhler
0 siblings, 1 reply; 4+ messages in thread
From: Andy Isaacson @ 2004-06-07 22:44 UTC (permalink / raw)
To: zsh-users
I'm suprised to find that this expansion doesn't work for me:
% ls *(@)/dry
zsh: no matches found: *(@)/dry
% ls -l
total 4
lrwxrwxrwx 1 adi users 3 Jun 7 17:38 a -> bar/
lrwxrwxrwx 1 adi users 3 Jun 7 17:38 b -> bar/
drwxr-xr-x 5 adi users 4096 Jun 7 17:39 bar/
% ls -l bar/*
bar:
total 12
drwxr-xr-x 2 adi users 4096 Jun 7 17:39 dry/
drwxr-xr-x 2 adi users 4096 Jun 7 17:39 tiki/
drwxr-xr-x 2 adi users 4096 Jun 7 17:38 wet/
bar/dry:
total 0
-rw-r--r-- 1 adi users 0 Jun 7 17:39 gin
bar/tiki:
total 0
bar/wet:
total 0
I'm using 4.0.7 on Fedora Core 1 and Debian Unstable.
Am I doing something wrong, is this expected behavior, or is it a bug?
-andy
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: *(@)/subdir expansion
2004-06-07 22:44 *(@)/subdir expansion Andy Isaacson
@ 2004-06-08 8:31 ` Thomas Köhler
2004-06-12 5:43 ` Aaron Davies
0 siblings, 1 reply; 4+ messages in thread
From: Thomas Köhler @ 2004-06-08 8:31 UTC (permalink / raw)
To: Andy Isaacson; +Cc: zsh-users
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Andy Isaacson wrote:
> I'm suprised to find that this expansion doesn't work for me:
>
> % ls *(@)/dry
> zsh: no matches found: *(@)/dry
[...]
> Am I doing something wrong, is this expected behavior, or is it a bug?
You expect glob qualifiers to work in the middle of a pattern
which they do not as explained in the zshexpn man page (see the
section about "Glob Qualifiers"):
Patterns used for filename generation may end in a list of
qualifiers enclosed in parentheses.
Your pattern does not end in a list of qualifiers enclosed in
parentheses, because after the parentheses, there is some more
stuff. Seems you're out of luck here...
You might want to try something like
for i in *(@) ; do ls $i/dry 2>/dev/null ; done
> -andy
Ciao,
Thomas
--
Thomas Köhler Email: jean-luc@picard.franken.de
<>< WWW: http://jeanluc-picard.de
IRC: tkoehler
PGP public key available from Homepage!
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: *(@)/subdir expansion
2004-06-08 8:31 ` Thomas Köhler
@ 2004-06-12 5:43 ` Aaron Davies
2004-06-14 9:41 ` Peter Stephenson
0 siblings, 1 reply; 4+ messages in thread
From: Aaron Davies @ 2004-06-12 5:43 UTC (permalink / raw)
To: zsh-users
Thomas Köhler wrote:
> Andy Isaacson wrote:
>
>> I'm suprised to find that this expansion doesn't work for me:
>>
>> % ls *(@)/dry
>> zsh: no matches found: *(@)/dry
>>
>> Am I doing something wrong, is this expected behavior, or is it a bug?
>
> You might want to try something like
>
> for i in *(@) ; do ls $i/dry 2>/dev/null ; done
Really, the correct general solution to this is to fall back on the
tool that zsh's extended glob attempts to make obsolete: GNU find.
Despite its arcane and annoying syntax, it's still occasionally useful.
In this case, you want to say
find *(@) -name dry -exec ls '{}' ';'
--
__ __
/ ) / )
/--/ __. .__ ______ / / __. , __o _ _
/ (_(_/|_/ (_(_) / (_ (__/_(_/|_\/ <__</_/_)_
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: *(@)/subdir expansion
2004-06-12 5:43 ` Aaron Davies
@ 2004-06-14 9:41 ` Peter Stephenson
0 siblings, 0 replies; 4+ messages in thread
From: Peter Stephenson @ 2004-06-14 9:41 UTC (permalink / raw)
To: zsh-users
Aaron Davies wrote:
> Really, the correct general solution to this is to fall back on the
> tool that zsh's extended glob attempts to make obsolete: GNU find.
> Despite its arcane and annoying syntax, it's still occasionally useful.
>
> In this case, you want to say
>
> find *(@) -name dry -exec ls '{}' ';'
It occurs to me that with the unambiguous (#q...) syntax for qualifiers
with the extendedglob option set, it would be possible to allow things
like
ls *(#q@)/*
Currently the qualifiers there just get ignored, so there's no
ambiguity.
I haven't looked at the code and don't know if it would be useful enough
to justify the effort. It's not particularly readable!
--
Peter Stephenson <pws@csr.com> Software Engineer
CSR Ltd., Science Park, Milton Road,
Cambridge, CB4 0WH, UK Tel: +44 (0)1223 692070
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^ permalink raw reply [flat|nested] 4+ messages in thread
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Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2004-06-07 22:44 *(@)/subdir expansion Andy Isaacson
2004-06-08 8:31 ` Thomas Köhler
2004-06-12 5:43 ` Aaron Davies
2004-06-14 9:41 ` Peter Stephenson
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