On Tue, 2006-08-29 at 15:59 -0400, mike.redan at bell.ca wrote: > Maybe I am being dense here ... BUT ... > > Doesn't the "echo $$" only happen AFTER the else process is finished ??? > > if you make the "else" process be the rsync script, then it will not > create $pidfile until after the rsync is done ... which does not help > you. > > if you leave the else process as is and kick off the rsync after the > echo $$ then it is not the same PID that you wrote to the $pidfile and > you will start more than one rsync process ... as the PID that you wrote > to $pidfile as the echo process ... that already finished ... or I am > mistaken? > > > The idea of it is to place that bit of code at or near the beginning of > your script, then have the rsync process start after the "echo $$". That > will put the PID of your script into that file, the rsync process will > be started in the script, and the script would not end until the rsync > one does..so you are fairly safe that two instances of your script will > run at thte same time.. > OK ... I see. The rsync process is a second PID ... but the first PID is also still open until after the script closes. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 189 bytes Desc: This is a digitally signed message part URL: <http://lists.centos.org/pipermail/centos/attachments/20060829/e29695fb/attachment-0005.sig>