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#!/usr/bin/perl
use warnings;
...
    }
sleep(10);
}

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C:\Pete>perl connected.pl
        IP Address. . . . . . . . . : 0.0.0.0
...
        IP Address. . . . . . . . . : 0.0.0.0
Warning: unable to close filehandle IPCONFIG properly.
        IP Address. . . . . . . . . : 195.44.21.11