SAS Functions and CALL Routines under Windows

FEXIST Function: Windows

Verifies the existence of an external file by its fileref.

Category:	External Files
Windows specifics:	fileref can be assigned with an environment variable
See:	FEXIST Function in SAS Language Reference: Dictionary

Syntax

FEXIST("fileref")

fileref: specifies the fileref that is assigned to an external file. Under Windows, fileref can also be an environment variable. The fileref or the environment variable that you specify must be enclosed in quotation marks.

FEXIST returns 1 if the external file that is associated with fileref exists, and 0 if the file does not exist.

For an example of using the FINFO function, see Example of Obtaining File Information.