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File lock demo

by LanX (Sage)
on Apr 21, 2021 at 16:25 UTC ( #11131539=perlmeditation: print w/replies, xml ) Need Help??

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  1. or download this
    use v5.12;
    use warnings;
    ...
        print ".";
        sleep 1;
    }
    
  2. or download this
    > start perl demo_lock.pl & start perl demo_lock.pl & start perl demo_
    +lock.pl & perl demo_lock.pl
    

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