Schedule your .pl script to run using the at command. The AT command schedules commands and programs to run on a computer at a specified time and date. The Schedule service must be running to use the AT command.

AT [\\computername] [ [id] [/DELETE] | /DELETE [/YES]]
AT [\\computername] time [/INTERACTIVE]
    [ /EVERY:date[,...] | /NEXT:date[,...]] "command"

\\computername     Specifies a remote computer. Commands are scheduled
+ on the
                   local computer if this parameter is omitted.
id                 Is an identification number assigned to a scheduled
                   command.
/delete            Cancels a scheduled command. If id is omitted, all 
+the
                   scheduled commands on the computer are canceled.
/yes               Used with cancel all jobs command when no further
                   confirmation is desired.
time               Specifies the time when command is to run.
/interactive       Allows the job to interact with the desktop of the 
+user
                   who is logged on at the time the job runs.
/every:date[,...]  Runs the command on each specified day(s) of the we
+ek or
                   month. If date is omitted, the current day of the m
+onth
                   is assumed.
/next:date[,...]   Runs the specified command on the next occurrence o
+f the
                   day (for example, next Thursday).  If date is omitt
+ed, the
                   current day of the month is assumed.
"command"          Is the Windows NT command, or batch program to be r
+un.
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2001-04-25 Edit by Corion : Added CODE tags