F_EOF

Tests if end of file has been reached.
IMPORTANT: Avoid using this function. This function is intended to be obsolete.
lrsf_fe1
Arguments
ID
DINT
File number returned by F_ROPEN or F_WOPEN
OK
BOOL
End of file indicator.
TRUE if end of file has been reached at the last read or write procedure call.
With FM_READ, the last message read from a file may not be correct, if the last character is not a string terminator.
Example
(* FBD program using file management blocks *)
lrsf_fe2
(* ST Equivalence: *)
file_id := F_ROPEN('data.bin');

WHILE not(F_EOF(file_id))

VAL := FA_READ(file_id);

END_WHILE;

message_input:= 'last val = ' + msg(VAL);

ok := F_CLOSE(file_id);
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