| SAS Functions and CALL Routines under Windows |
Verifies the existence of an external file by its physical name.
| Category: |
External Files
|
| Windows specifics: |
filename
can be assigned with an environment variable
|
| See: |
FILEEXIST Function in
SAS Language Reference: Dictionary
|
-
filename
-
specifies a fully qualified physical filename
of the external file. In a DATA step, filename
can be a character expression, a string in quotation marks, or a DATA step
variable. In a macro, filename can be any expression.
Under Windows, filename
can also be an environment variable. The filename or environment variable
that you specify must be enclosed in quotation marks.
Note: The FILEEXIST
function can also verify a directories existence. ![[cautionend]](../../../../common/63294/HTML/default/images/cautend.gif)
FILEEXIST returns 1 if the external file
exists and 0 if the external file does not exist.
Copyright © 2010 by SAS Institute Inc., Cary, NC, USA. All rights reserved.
