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From: Peter Stephenson <p.w.stephenson@ntlworld.com>
To: "zsh-users@zsh.org" <zsh-users@zsh.org>
Subject: Re: Exclusion on filename expansion
In-Reply-To: Message from Vin Shelton <acs@alumni.princeton.edu>
   of "Sun, 07 Dec 2014 13:50:23 EST." <CACeGjnXxHEArjYrEN8gJsvnP7gztzuumyqzo325OEnSFstB5uA@mail.gmail.com>
Date: Sun, 07 Dec 2014 19:01:34 +0000

Vin Shelton wrote:
> Using a variable, I cannot get ~ exclusion to work:
>
> ls *~abc~def
>   ==> ghi jkl
> pat="abc~def"
> ls -d *~$pat
>   ==> abc  def  ghi  jkl
> 
> I think that expansion of $pat is happening after globbing, so in this case
> "*" expands to
> 
> abc def ghi jkl
> 
> without the application of the tilde exclusion.
> 
> Is there something I can do about this?

"setopt glob_subst", or probably better use $~pat which turns on
glob_subst for that expansion.  The "~" may appear to be an obvious
mnemonic, but actually it was originally introduced to do the more
standard form of ~-expansion.  It now turns on that and glob expansion.

pws