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From: Yuya Amemiya <ghostrevery@gmail.com>
To: brent.briggs@gmail.com
Cc: zsh-users@zsh.org
Subject: Re: Glob problem
Date: Wed, 23 Oct 2013 05:11:17 +0900 (JST)	[thread overview]
Message-ID: <20131023.051117.47078782.ghostrevery@gmail.com> (raw)
In-Reply-To: <F450529B-46FF-4267-B1A3-01E291221268@gmail.com>

Hi,

> print -l $path/$~pattern

Try this:
  print -l -- ${^path}/${~pattern}

regards

From: Brent Briggs <brent.briggs@gmail.com>
Subject: Re: Glob problem
Date: Tue, 22 Oct 2013 14:49:13 -0400

> Adding the (N) Glob Qualifier made a difference but is I'm still not quite there yet. 
> 
> pattern=git*(N)
> print -l $path/$~pattern
> 
> Output:
> ----------
> /opt/local/bin
> /opt/local/sbin
> /usr/bin
> /bin
> /usr/sbin
> /sbin
> /usr/local/bin
> /usr/local/MacGPG2/bin
> 
> This is my full path listing minus the final entry /Users/brent/bin. I know this is a bit of an incidental question but why is the final path entry missing from this output? 
> 
> Trying this gets me a little closer.
> 
> pattern=git*(N)
> for entry in $path      
> do
> 	print -l $entry/$~pattern
> done
> 
> Output:
> ----------
> /opt/local/bin/git
> /opt/local/bin/git-credential-osxkeychain
> /opt/local/bin/git-cvsserver
> /opt/local/bin/git-receive-pack
> /opt/local/bin/git-shell
> /opt/local/bin/git-upload-archive
> /opt/local/bin/git-upload-pack
> /opt/local/bin/gitk
> -- blank --
> /usr/bin/git
> /usr/bin/git-cvsserver
> /usr/bin/git-receive-pack
> /usr/bin/git-shell
> /usr/bin/git-upload-archive
> /usr/bin/git-upload-pack
> -- blank --
> -- blank --
> -- blank --
> -- blank --
> -- blank --
> 
> Blank lines are printed for the directories that contain no pattern matches. Any quick way to get rid of these?
> 
> On Oct 22, 2013, at 2:12 PM, Peter Miller <peter.d.miller@oracle.com> wrote:
> 
>> On 10/22/13 14:02, Brent Briggs wrote:
>>> Thanks for all the responses. The glob is now being generated properly. However, I am still having a problem getting my loop to run completely through.
>>> 
>>> pattern=git*
>>> for entry in $path
>>> do
>>>     print -l $entry/$~pattern
>>> done
>>> 
>>> Output:
>>> ----------
>>> /opt/local/bin/git
>>> /opt/local/bin/git-credential-osxkeychain
>>> /opt/local/bin/git-cvsserver
>>> /opt/local/bin/git-receive-pack
>>> /opt/local/bin/git-shell
>>> /opt/local/bin/git-upload-archive
>>> /opt/local/bin/git-upload-pack
>>> /opt/local/bin/gitk
>>> zsh: no matches found: /opt/local/sbin/git*
>>> 
>>> /opt/local/sbin/ being the second entry in my path.
>>> 
>>> 
>>> Also tried:
>>> 
>>> print -l $path/$~pattern
>> 
>> try
>> 
>> pattern=git*(N)
>> print -l $path/$~pattern
>> 
>> that will tell zsh to ignore globs that don't have any matches.
>> 
>>> 
>>> Output:
>>> ----------
>>> zsh: no matches found: /Users/brent/bin/git*
>>> 
>>> /Users/brent/bin/ being the last entry in my path.
>>> 
>>> Looks like I need to use a conditional to test if any pattern matches exist, per directory, before trying to print them. I wasn't able to find a solution in the manual that facilitates testing for the existence of pattern matches. I would like to solve this problem using only globbing if possible. I am probably missing something simple.
>>> 
>>> 
>>> 
>>> On Oct 22, 2013, at 1:05 PM, Philippe Troin<phil@fifi.org>  wrote:
>>> 
>>>> On Tue, 2013-10-22 at 12:45 -0400, Brent Briggs wrote:
>>>> 
>>>>> I am simply trying to list all matches for a specified pattern in an
>>>>> array of directory paths, the $path array for example. Here is my
>>>>> attempt. Where am I going wrong?
>>>> Globs are not ran after variable substitution by default.
>>>> To run filename generation (aka globs) after variable substitution, use
>>>> $~var.
>>>> 
>>>> Your example:
>>>> 
>>>>> pattern=git*
>>>>> for entry in $path
>>>>> do
>>>>>    # Print all files in the path that match the pattern.
>>>>>    print $entry/$pattern
>>>>> done
>>>> Can be rewritten as:
>>>> 
>>>>        pattern=git*
>>>>        for entry in $path
>>>>        do
>>>>            # Print all files in the path that match the pattern.
>>>>            print $entry/$~pattern
>>>>        done
>>>> 
>>>> It can be simplified further as:
>>>> 
>>>>        pattern=git*
>>>>        print $path/$~pattern
>>>> 
>>>> Phil.
>>>> 
>> 
> 


  parent reply	other threads:[~2013-10-22 20:11 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-22 16:45 Brent Briggs
2013-10-22 16:58 ` Jérémie Roquet
2013-10-22 16:59 ` Peter Stephenson
2013-10-22 17:05 ` Philippe Troin
2013-10-22 18:02   ` Brent Briggs
2013-10-22 18:12     ` Peter Miller
2013-10-22 18:49       ` Brent Briggs
2013-10-22 19:30         ` Peter Miller
2013-10-22 20:11         ` Yuya Amemiya [this message]
2013-10-23 12:27           ` Brent Briggs
2013-10-23 12:37             ` Jérémie Roquet
2013-10-23 13:47             ` Peter Stephenson
2013-10-23 14:29             ` Yuya Amemiya
2013-10-22 17:11 ` Matt Garriott

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