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Date: Mon, 30 Mar 2015 18:08:19 +0000
From: Daniel Shahaf <d.s@daniel.shahaf.name>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: Zsh Hackers' List <zsh-workers@zsh.org>
Subject: Re: Word breaks around aliased tokens (was Re: PATCH: Removing
 aliases from history, 2015 style (was capturing output of !! not working))
Message-ID: <20150330180819.GB3767@tarsus.local2>
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 <150320090420.ZM21908@torch.brasslantern.com>
 <20150322183556.1fa0f143@ntlworld.com>
 <150322162235.ZM1728@torch.brasslantern.com>
 <20150323213426.21fd79c8@ntlworld.com>
 <20150325154853.7efc21d0@pwslap01u.europe.root.pri>
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Bart Schaefer wrote on Wed, Mar 25, 2015 at 20:43:05 -0700:
> torch% alias -g '&&'=AND 
> torch% echo foo&&bar    

I suppose there's a project idea here: implement lisp macros for zsh.

That is, have some hook (maybe preexec or precmd?) get as argument
a list of tokens, and have it return an alternative list of tokens to be
executed further.

Then the && idea could be implemented as:

prefoo() {
  if (( $#reply )) && [[ $reply[1] == '&&' ]]; then
    reply=( ';' '()' '{' 'return' '$?' '}' $reply )
  fi
}

Daniel