From: Brent Briggs <brent.briggs@gmail.com>
To: "zsh-users@zsh.org" <zsh-users@zsh.org>
Subject: Re: Glob problem
Date: Wed, 23 Oct 2013 08:27:22 -0400 [thread overview]
Message-ID: <91F9ED9F-B198-403B-9FE1-FF40DE960C1C@gmail.com> (raw)
In-Reply-To: <20131023.051117.47078782.ghostrevery@gmail.com>
This did the job. I still have one question. I can't find any documentation for the "--" option. What does it do exactly?
On Oct 22, 2013, at 4:11 PM, Yuya Amemiya <ghostrevery@gmail.com> wrote:
> 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.
>>>>>
>>>
>>
next prev parent reply other threads:[~2013-10-23 12:27 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
2013-10-23 12:27 ` Brent Briggs [this message]
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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