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Re: how to start screen from .bashrc

From: Peder Stray
Subject: Re: how to start screen from .bashrc
Date: Tue, 19 Sep 2006 18:44:26 +0200 (MEST)

On Tue, 19 Sep 2006, Michael Parson wrote:

On Tue, Sep 19, 2006 at 05:27:51PM +0200, Xavier Nicollet wrote:
Le 19 septembre 2006 ? 09:59, Peter a ?crit:
I want to have screen launched when I log in to a Linux system with
SSH.  I have put the screen command inside ~/.bashrc.  The result is
that screen will reread .bashrc and sets up a loop which keeps starting
screen over and over.  My .screenrc file automatically starts 3
windows.  How do I prevent this loop?

I read somewhere that it is not advised to do that.

One of the features of screen is that you can disconnect from screen
and log out, log back in later and reconnect to the existing session.
Having it auto-start a new screen every time you log in could make that

If you want to start screen faster than having to type out 'screen' (or
'screen -r') after you log in, then learn to use the history features of
the bash shell.

When I log in, I hit ^R, then start typing screen, I usually don't have
to get farther than about sc before it has found the match and I just
hit return and I'm off.

Remember that screen adds $STY to your environment, so you can test for it:

if [ -z "$STY" ]; then
    exec screen -dR

which would exec screen, attach to an already running or start a new screen if you aren't already in one. No problem there...

Of course, you wouldn't want to do this on a host you start xterms on i guess, since all of them would attach to the same screen, effectively detatching the other ones. But for a host you ssh into, it would be ok.

  Peder Stray

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