Determining the Field Length
To determine the length of a data object, you use the LENGTH parameter with the DESCRIBE FIELD statement as follows:
Syntax
DESCRIBE FIELD <f> LENGTH <l>.
The system reads the length of the field
<f> and writes the value to the field <l> .
DATA: TEXT(8), LEN TYPE I.
DESCRIBE FIELD TEXT LENGTH LEN.
In this example, the field LEN contains the value 8.