LENGTH Command [ HP ALLBASE/4GL Developer Reference Manual Vol. 2 ] MPE/iX 5.0 Documentation
HP ALLBASE/4GL Developer Reference Manual Vol. 2
LENGTH Command
The LENGTH command calculates the number of characters in a field.
Format
LENGTH data_ref result_data_ref
Parameters
data_ref
The field whose length is to be calculated. It can be one of the
following:
* A master title name.
* A variable or calculated item.
* A screen field reference.
* A named scratch-pad field reference.
* A file record field reference.
* A work area field reference.
result_data_ref
The field into which the length of data_ref is placed. It can be one of
the following:
* A variable.
* A screen field name.
* A named scratch-pad field name.
* A file record field reference.
* A work area field reference.
Description
The LENGTH command calculates the length in characters of the contents of
data_ref. This length is placed in result_data_ref.
The LENGTH command ignores leading zeros on numeric fields and trailing
spaces on non-numeric fields.
Example
LENGTH * V-length
This command determines the number of characters in the current screen
field and places the result into the variable length.
MPE/iX 5.0 Documentation