PACK(

General Form:

PACK(field_variable)

The PACK( string function, when applied to a field, is used to determine the packing format used by the field. It can be used anywhere a string expression is allowed.

.f1$ = (1,"CHAR(16)")
pack$=PACK(.f1$)
PRINT pack$

Output:

CHAR(16)

The POS( function may be used to return the starting position of a field variable and the LEN( function can return the size in bytes occupied by the field.