Functions and CALL Routines under OpenVMS

MOPEN Function: OpenVMS

Opens a file by directory ID and member name, and returns either the file identifier or a 0.

Category:	External Files
OpenVMS specifics:	Valid values for directory-id
See:	MOPEN Function in SAS Language Reference: Dictionary

Syntax
Details
See Also

Syntax

MOPEN(directory-id,member-name<,open-mode <,record-length<,record-format>>>)

Note: This is a simplified version of the MOPEN function syntax. For the complete syntax and its explanation, see the MOPEN function in SAS Language Reference: Dictionary. [cautionend]

directory-id: is a numeric variable that specifies the identifier that was assigned when the directory was opened (generally by the DOPEN function).

Details

The MOPEN function returns the identifier for the file, or 0 if the file could not be opened.