EOF

EOF( [#]nbr )

Will return true if the file previously opened for INPUT with the file number ‘nbr’ is positioned at the end of the file.

If used on a file number opened as a serial port this function will return true if there are no characters waiting in the receive buffer. The # is optional.

See also:
CLOSE
INPUT#
INPUT$
LINE INPUT
OPEN
PRINT
SEEK
WRITE