Pascal (Lazarus/Delphi)

Generate UUID

See more ULID/UUID Examples

Generates a version 4 UUID, using either uppercase or lowercase hex. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.StringBuilder;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  sb: TStringBuilder;
  lowercase: Boolean;

begin
  sb := TStringBuilder.Create;

  //  Generate a lowercase UUID.
  lowercase := True;
  sb.AppendUuid(lowercase);
  WriteLn(sb.GetAsString());

  //  example: edb1bb24-e9be-4ada-98bd-c2d893f29f55

  lowercase := False;
  sb.Clear();
  sb.AppendUuid(lowercase);
  WriteLn(sb.GetAsString());

  //  example: 338EAF28-631E-4303-BE27-A8D80E9191CB


  sb.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.