- 4.67.2.99. -
Table of Contents
4. Standard Units
4.67. System - Built-in routines
4.67.2. System Unit Procedures and Functions
4.67.2.99. WriteLn procedure
4.67.2.99. WriteLn procedure
Targets: MS-DOS, OS/2, Win32
System Unit
Executes the Write procedure, then outputs an end-of-line
marker to the file.
Declaration:
procedure Writeln([ var F: Text;] P1 [, P2, ...,Pn ] );
Remarks:
F, if specified, is a file variable. If omitted Output is assumed.
P1 may be of char, string, integer, real, or Boolean type.
P1 through Pn are output to F.
Each P parameter may be formatted as follows:
P [:MinWidth [:Decimals]]
where P is the value to output.
MinWidth, which must be greater than zero,
specifies the minimum width of P.
Decimals specifies the number of decimal places to be output
when P is of real type.
The file used by WriteLn must be open for output.
An end of line marker is written to F after output.
Example:
{$ifndef __CON__}
This program must be compiled as console application only
{ $endif}
var
Name: String;
Age: DWORD;
begin
Write('Enter your name: ');
ReadLn(Name);
Write('Enter your age : ');
ReadLn(Age);
if Age < 21 then
WriteLn('You ''re so young, ', Name, '!')
else if Age < 40 then
WriteLn(Name, ', you''re still in your prime!')
else if Age < 60 then
WriteLn('You''re over the hill, ', Name, '!')
else if Age < 80 then
WriteLn('I bow to your wisdom, ', Name, '!')
else
Writeln('Are you really ', Age, ', ', Name, '?');
end.
See also:
__writer
- 4.67.2.99. -
