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From: Bart Schaefer <schaefer@brasslantern.com>
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Date: Thu, 03 Jul 2014 09:42:01 -0700
In-reply-to: <20140703171107.23afc5db@pwslap01u.europe.root.pri>
Comments: In reply to Peter Stephenson <p.stephenson@samsung.com>
 "Re: [Pkg-zsh-devel] Bug#679824: zsh: Buggy perl completion with -e [origin:
 vincent@vinc17.net]" (Jul  3,  5:11pm)
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Subject: Re: [Pkg-zsh-devel] Bug#679824: zsh: Buggy perl completion with -e
 [origin: vincent@vinc17.net]
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On Jul 3,  5:11pm, Peter Stephenson wrote:
}
} Probably the best compromise in general would be to have .pl, .py, .rb
} and other files completed using separate tags, so you have the easily
} configurable option of picking out the native suffix or all files.
} 
} I've a vague memory you can already tell _files to do clever things like
} that in certain contexts but I'm too lazy to check.

One can use the file-patterns style to create separate tag groups.

     The file-patterns style provides alternatives to the default tags,
     which are not used.  Its value consists of elements of the form
     `PATTERN:TAG'; each string may contain any number of such
     specifications separated by spaces.

	[...]

     For example, to make the rm command first complete only names of
     object files and then the names of all files if there is no
     matching object file:

          zstyle ':completion:*:*:rm:*' file-patterns \
              '*.o:object-files' '%p:all-files'

It is often a bit tricky to get completion to actually *omit* the files in
one of the groups rather than merely reorder them.