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Is it possible to have a Perl Program constantly running while my PC is on?

If so, how do you do it?

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Make it a service or daemon. But the answer will depend on what operating system you are running. Can we assume that pc means windows? – Doon Sep 11 '11 at 0:15
@Doon: I am running Windows (Windows 7). And what do you mean service or daemon. – Dynamic Sep 11 '11 at 1:02
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2 Answers

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There are a few options. You can run it as a service as Doon suggested above. If you just want it to run in the background. It sounds like you are running a script from the command line and want to close the prompt/shell, but have it keep running.

Linux: http://www.washington.edu/computing/unix/background.html

I see your follow up that you are on windows, so this existing question may help you out: http://serverfault.com/questions/9038/run-a-bat-file-in-a-scheduled-task-without-a-window

To answer your follow up, a service/daemon is a background process that is always running such as "svchost.exe". If you are on windows, go go run and type "services.msc" - this will bring up the service manager. There are ways to create and manage services from arbitrary programs, but that sounds like its beyond your needs right now.

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If executing upon login is ok and if Windows is configured to recognize and execute Perl scripts you can try adding (a shortcut to) the script to the Startup folder.

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