On Thu, 2010-12-23 at 16:29 +0000, Bill Dennen wrote: > On Thu, 23 Dec 2010 08:30:02 +0100, Zhang Weiwu scribbled: > > > Hello. I usually start amuled and kill it after a few hours, I do such > > thing once a day. Usually I do it like this: > > > > In one console: > > $ amuled > > > > In another: > > > > zhangwe...@mesopotamia:~$ ps ax | grep mule 13595 zhangwei 14080 R N > > amuled > > 13598 zhangwei 14080 S N amuled > > 13600 zhangwei 14080 S N amuled > > 13603 zhangwei 14080 S N amuled > > 13612 zhangwei 1352 S grep mule > > zhangwe...@mesopotamia:~$ kill 13595 > > > > Note that I should always kill the least-numbered process, I tried > > otherwise and always end up in trouble. > > > > Question is, how do I script-lize this? The only difficulty is to get > > the pid in script. I could use an one-liner awk script to analyses the > > output of ps, but that sounds overkill. Is there a better way? > > > > Best. & Thanks in advance! > > Is not the PID returned in $$ ??
$$ is the pid of the current shell. $! is the pid of the most recent background process, so you could do: amuled & echo $! > amuled.pid ... kill `cat amuled.pid` or: amuled & A_PID=$! sleep 60 kill $A_PID Richard -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/1293162505.679.5.ca...@topaz.wgtn.cat-it.co.nz