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All the Perl that's Practical to Extract and Report

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  • #! /usr/bin/perl

    use Fcntl();

    sleep 2;

    print "Locking....\n";
    unless (flock(DATA, Fcntl::LOCK_EX())) {
        die("Failed to lock:$!");
    print "Locked.....\n";
    sleep 5;


    works for me on an XP virtual machine with strawberry perl.

    when doesn't it work?