[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'System' (#rtl)

EOLn

Check for end of line

Declaration

Source position: systemh.inc line 1342

function EOLn(

  var t: Text

):Boolean;

function EOLn: Boolean;

Description

EoLn returns True if the file pointer has reached the end of a line, which is demarcated by a line-feed character (ASCII value 10), or if the end of the file is reached. In all other cases EoLn returns False. If no file F is specified, standard input is assumed. It can only be used on files of type Text.

Errors

None.

See also

Eof

  

Check for end of file

Assign

  

Assign a name to a file

Reset

  

Open file for reading

Rewrite

  

Open file for writing

Example

Program Example19;

{ Program to demonstrate the Eoln function. }

begin
  { This program waits for keyboard input. }
  { It will print True when an empty line is put in,
    and false when you type a non-empty line.
    It will only stop when you press enter.}
  While not Eoln do
    Writeln (eoln);
end.

Documentation generated on: May 14 2021