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To: zsh-users@sunsite.dk (Zsh users list)
Subject: Re: Expanding interactively aliases 
In-Reply-To: Your message of "Tue, 20 Feb 2001 14:47:37 +0100."
             <200102201347.f1KDlbT13110@linux3.maruska.tin.it> 
Date: Tue, 20 Feb 2001 15:45:44 +0000
From: Peter Stephenson <pws@csr.com>

Michal Maru ka wrote:
> Is it possible (as in Bash 2.03) to expand an alias 
> and edit it after ?

You could use this function (e.g. `edit-alias myalias'), if what you want
is to change the definition of the alias.

edit-alias() {             
  local al
  al="$(alias $1)"  ||  return 1 
  print -z alias $al
}

Otherwise, if you just want the alias inlined in the code, and have a
recent zsh 3.1, try

expand-alias() {
  # for safety, in case there's an = which will mess things up...
  local alias=${LBUFFER#*=}

  if ! alias=$(alias $LBUFFER); then
    zle beep
    return 1
  fi

  LBUFFER=${(Q)${alias#*=}}
}
zle -N expand-alias
bindkey '^xa' expand-alias

and hit ^xa just after the alias (I'm assuming it's at the beginning of the
line, else there's more work to be done).

Quite possibly Sven has already added an option to the _expand completer by
now, otherwise I'll try and remember to look at that.

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
Cambridge Silicon Radio, Unit 300, Science Park, Milton Road,
Cambridge, CB4 0XL, UK                          Tel: +44 (0)1223 392070