sys.null_field()

Purpose:

sys.null_field() sets the referenced file variable to a blank or 0.

Usage:

ret = sys.null_field(<asfile>,<fldcdef>);

Arguments:

asfile <asfile> - The asfile name of the file

integer <fldcdef> - The CDefine of the variable in <asfile> to null.

Returns:

0 - OK

-1 - Invalid <asfile>

Where Used:

sys.null_field() can be called from anywhere.

Example:

Description:

sys.null_field() sets the referenced file variable to an empty string if it is an alpha file variable or to a 0 if it is a numeric file variable. sys.null_field() does not modify any permanent data. All modification is done on the file variable in memory.

Bugs/Features/Comments:

See Also:

sys.null_file()

sys.null_data()