^table.select(selection_criterion)
^table.select(selection_criterion)[options] [3.4.1]
The method looks through the table row by row, examining each row in respect to the specified criterion (a mathematical expression). The rows which satisfy the criterion (returned Boolean value is "true") are collected into the table with the same structure as that of the original table.
One can also specify a number of options, see "Copying and search options".
Example $men[^table::create{nameage Stephen 26
Alex 20
Michael 29
}]
$thoseAbove20[^men.select($men.age>20)]
Variable $thoseAbove20 will contain table made up of rows with Stephen and Michael.