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  1. or download this
    {
    open local(*STDOUT), "> $log" or die $!;
    open local(*STDERR), ">>&STDOUT" or die $!;
    flock(STDOUT, LOCK_EX | LOCK_NB) or die $!;
  2. or download this
        truncate STDOUT, 0; #clear out STDOUT to start with a fresh log fi
+le.
    chdir $local_dir or die "Cannot change to $local_dir. $!";
  3. or download this
        system $pkunzip, '-doA', "$local_dir/$file";
}