Thanks so much. This is working great, with one problem. The ^C doesn't seem to be working. It kills the programs and errors with "Signal SIGINT received, but no signal handler set." Should I be importing some other module, or registering it a different way? Thanks 
$SIG{INT} = sub {
        print "got a signal\n";
## Empty the work queue
        $Qdownload->dequeue while $Qdownload->pending;

## And stack an undef for each fetcher to abort their main loops
        $Qdownload->enqueue( (undef) x @downloaders );
        $stop = 1;
};

[download]

In reply to Re^4: Invalid value for shared scalar by ramblinpeck
in thread Invalid value for shared scalar by ramblinpeck

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