next up previous contents index
Next: Seg Up: Functions and Procedures Previous: SeekEof

SeekEoln

   

Declaration:

Function SeekEoln [(Var F : text)] : Boolean;

Description:

SeekEoln returns True is the file-pointer is at the end of the current line. It ignores all whitespace.

Calling this function has the effect that the file-position is advanced until the first non-whitespace character or the end-of-line marker is reached. If the end-of-line marker is reached, True is returned. Otherwise, False is returned.

The end-of-line marker is defined as #10, the LineFeed character.

If the parameter F is omitted, standard Input is assumed.

Errors:

A run-time error is generated if the file F isn't opened.

See also:

Eof, SeekEof, Seek

Example
Program Example58;

{ Program to demonstrate the SeekEoln function. }
Var
  C : Char;

begin
  { This will read the first line of standard output and print
    all characters except whitespace. }
  While not SeekEoln do
    Begin
    Read (c);
    Write (c);
    end;
end.



Michael Van Canneyt
Thu Sep 10 14:02:43 CEST 1998