in reply to modify external data

PeekPoke might work. 

use PeekPoke qw(peek poke);

my $val = peek($address);
poke($address, $val|1);

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Re^2: modify external data
by maard (Pilgrim) on Mar 09, 2005 at 17:27 UTC

    Thank you. However it didn't work :)

    Joost pointed me to right direction, I have read XS tutorial some time ago, waiting for task to arise, where I could use it and study it more, on practice. The time has come.

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