{
    open local(*STDOUT), "> $log" or die $!;
    open local(*STDERR), ">>&STDOUT" or die $!;
    flock(STDOUT, LOCK_EX | LOCK_NB) or die $!;

##</code><code>##

    truncate STDOUT, 0; #clear out STDOUT to start with a fresh log file.
    chdir $local_dir or die "Cannot change to $local_dir. $!";

##</code><code>##

    system $pkunzip, '-doA', "$local_dir/$file";
}