Verifies the existence of an external file by its physical name.
| Category: | External Files |
| Restriction: | If the SAS session in which you are specifying the FILEEXIST function is in a locked-down state, and the pathname specified in the function has not been added to the lockdown path list, then the function fails and a file access error related to the locked-down data is not generated in the SAS log unless you specify the SYSMSG function. |
| See: | FILEEXIST Function in SAS Functions and CALL Routines: Reference |
| FILENAME Function in SAS Functions and CALL Routines: Reference |
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.
| Note | The FILEEXIST function can also verify a directory’s existence. |