Zsh Mailing List Archive
Messages sorted by: Reverse Date, Date, Thread, Author

Re: Glob problem



Hi,

> print -l $path/$~pattern

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

regards

From: Brent Briggs <brent.briggs@xxxxxxxxx>
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@xxxxxxxxxx> 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@xxxxxxxx>  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.
>>>> 
>> 
> 



Messages sorted by: Reverse Date, Date, Thread, Author