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Re: sleeping for a minute

by linuxer (Curate)
on Feb 18, 2010 at 21:13 UTC ( #824033=note: print w/replies, xml ) Need Help??

in reply to sleeping for a minute

And here's a non-perl suggestion:

If your script runs on a linux or unix-like system, you can create a cronjob, which runs your script every minute.

In Windows you could set up a scheduled task to do so.

I'd prefer running the script every minute (by cron or scheduled task) than having it run continuously and sending it regularly to sleep for a minute.

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Re^2: sleeping for a minute
by ikegami (Pope) on Feb 18, 2010 at 23:47 UTC

    Loading perl every 60 seconds seems like a lot of overhead.

    A periodic (but less frequent) watchdog might be the way to go if you wanted extra reliability.

      I see bot403's point, but I think more along these lines, too. I'd rather just idle for a bit instead of have to start from scratch each time.
Re^2: sleeping for a minute
by aaron.m (Novice) on Feb 18, 2010 at 21:19 UTC
    Why would you prefer that? Just curious...

      1. In case it dies.
      2. In case it has a memory leak.
      3. In case someone kills it purposely or accidentally
      4. So you dont have to install it to run when the system starts up.
      5. Because making a true daemon or windows service that *behaves well* is a minor PITA
      6. To have more fine grained control on when and how often it runs (day of week, day of month, hours, etc)

      bot403 listed the reasons I was thinking of (even a few more).

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[Lady_Aleena]: Maybe...
[talexb]: Sounds like a Try It And See question to me ..
[1nickt]: heh, I hab\ve been. Trying to understand it.
[1nickt]: perl -e 'print 1.0' ... output '1'.
[Lady_Aleena]: You could quote it. <c>perl -e 'print "1.0"'>/c> returns 1.0

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