FILENAME$ function

Purpose | Return the file-system name of an open file.
Syntax | a$ = FILENAME$(filenum&)
Remarks | a$ receives the name of the open file identified by the file number filenum&. This function is not valid with a file opened using OPEN HANDLE, COMM OPEN, TCP OPEN, or UDP OPEN.
See also | CLOSE, FILEATTR, FREEFILE, GETATTR, OPEN, SETATTR
Example | OPEN "MYFILE.TXT" FOR INPUT AS #1 a$ = FILENAME$(1) CLOSE #1