HP 3000 Manuals HP 3000 Manuals
Substring Referencing data_ref[starting_position, number_of_characters] data_ref[starting_position, number_of_characters].qualifier Substring references must occur after the normal field reference (including subscript), but before any qualifier. You can represent both the starting_position and the number_of_characters entries with one of the following items containing the required values: * Number <= 255. * Numeric constant. * Numeric variable or calculated item. * Screen field reference. * Scratch-pad field reference. * File record field reference. * Work area field reference. Always use the screen name, work area name, or file and record layout name as a qualifier for S-, W-, or F- references.