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From: Andrew Main <zefram@tao.co.uk>
Message-Id: <199707090832.JAA03413@taos.demon.co.uk>
Subject: Re: show command in XTERM titlebar like function chpwd()
To: heiko_elger@arburg.com
Date: Wed, 9 Jul 1997 09:32:54 +0100 (BST)
Cc: zsh-users@math.gatech.edu
In-Reply-To: <00000449.@arburg.com> from "heiko_elger@arburg.com" at Jul 9, 97 08:43:37 am
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heiko_elger@arburg.com wrote:
>     is it possible to use own functions (like run-help) with the bindkey 
>     command?

It is now (3.1.2).

>     I want to update my XTERM title bar every time I'll press then ENTER 
>     key. I want to have the command name which is executing in the title 
>     bar.

The best way to do this is not to bind a new function to ENTER, but to
redefine accept-line:

accept-line () {
  local cmd=${BUFFER%%" "*}
  [[ -n "$cmd" && $TERM == xterm* ]] && print -nR "executing: $cmd"
  zle .accept-line
}
zle -N accept-line

Replace the print argument with whatever sequence is required for the xterm
titlebar.

-zefram