Re: How can I execute a command in a detached screen?

[Jean-Philippe Gois]

Jim C. wrote:
> I do the following:
>
> address@hidden bin]$ screen -dm
> address@hidden bin]$ screen -ls
> There is a screen on:
>         22539..mirage   (Detached)
> 1 Socket in /tmp/uscreens/S-sdn20.
>
> address@hidden bin]$ screen -S 22539..mirage -X exec "/bin/ls -l"
> address@hidden bin]$
>
> ...but when I re-attach the screen there is no evidence to show that the
> command executed.
> I've been pouring over the man pages and I cannot discern the proper
> syntax for this.
>
> Clue please?
>   
Executing in a screen means executing a screen command, not a shell command.
Here, it seems that you want screen to run a shell command in a new window.
So what you have to do is :

screen -S 22539..mirage -X screen watch /bin/ls -l


HTH
Flupke

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