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    function initMemory() {
        memory.counter = 0;
    }
...
    function printCounter() {
        log("Current count is " + memory.counter);
    }

#!/usr/bin/env perl

package ReportingHandler;
...
    $jsh->call('incCounter', 23);
    $jsh->call('printCounter');
}

package PageCamel::Helpers::JavaScript;
#---AUTOPRAGMASTART---
use 5.030;
...
}

1;

First run
DEBUG: Current count is 0
DEBUG: Current count is 42
...
Second run
DEBUG: Current count is 42
DEBUG: Current count is 65