returns the filename of the currently seen file
INCLUDE 'iolib.h' seeing(FileName)
seeing(FileName) (o)
string(FileName) (i) Name of the file that is open
Returns the filename of the file that was opened with
see
(). If no file was opened, 'stdin' is returned.
NOTE: You should not mix up the old fashioned
see
(),seeing(),
seen
predicates with
the
readdevice
(),
closefile
(), or
gotowindow
() predicates. Always close files with the
predicates belonging to the same family!
No runtime errors.
prolog-process, client-server, object
see , seeing , tell , telling , told , read , readln , readchar , get , openread , readdevice , closefile