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Re: preexec like behavior ? (feature request)

From: Chet Ramey
Subject: Re: preexec like behavior ? (feature request)
Date: Thu, 30 Oct 2003 08:21:24 -0500
User-agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.5) Gecko/20031027

> What do you mean with "using redirection to echo the right characters to the appropriate > window". Can you point me to the right direction ? I have not found any way to do that
> for long-lived prozesses (eg. vim).

Sure. Let's assume that you're running this process in an xterm (or equivalent) window. I'm making the further assumption that you have a script or shell function that will effect changes to an xterm window's title bar. In case you don't, here's what I use:

xtitle ()
    echo -n -e "\033]0;$*\007"

So what you have to do is make sure these characters are directed to the right window. Find the tty device you want by using `ps' or equivalent. Say it's something like /dev/ttyp4. Run the command with the desired arguments and redirect the output to /dev/ttyp4:

        xtitle 'long-running vim window' > /dev/ttyp4

If you like, you can put the filename vim's editing in there, too.


``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet )
Chet Ramey, ITS, CWRU address@hidden http://tiswww.tis.cwru.edu/~chet/

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