many thanks, /proc will do fine :)

On Wednesday 25 August 2004 22:01, Gennady wrote:
> George Mochrie wrote:
> > hi
> >
> > A quick question:
> >
> > Is there an easy way to check if a process is running given it's PID?
> > There seems to be nothing like Process.exists?(pid). If I was root I
> > could use Process.kill(0,pid) to test, but the program needs to run as a
> > plain user. Do
>
> Not only root can do kill(0, pid), any user can send signal (or 0) to
> his/her own processes.
>
> On systems that have /proc you can also check for presence of a
> directory named like pid there.
>
> > I have to parse the output from ps -e?
> >
> > Thanks in advance :)
>
> Gennady.

-- 
George Mochrie
aka Drasil
ICQ# 84423409