While you could have your Perl app kill time using sleep, it would still be sitting in (virtual) memory which seems rather silly for a once-a-week task. The conventional approach is to use the unix cron utility or under NT the at command. Here's a discussion with some useful information, or you could feed Super Search some keywords like qw(Win32 NT cron at) and see what else appears.

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I'd like to be able to assign to an luser