share ( $hash{$file}{start} ); # for pulling start time from file
share ( $hash{$file}{stop} ); # for pulling stop time from file

##</code><code>##

$hash{$file} = &share({});
share ( $hash{$file}{certain_row_type}->[$i] );
$hash{$file}{certain_row_type}->[$i] = $line;

##</code><code>##

    $hash{$file} = &share( {} );
    $hash{$file}{row_type} = &share( [] );
    $hash{$file}{row_type}[$i] = $line;