[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