Ola!
Testar ou rodar os comandos/funções do harbour no navegador.
https://harbour.fourtech.es/modharbour_examples/sandbox.prg?fbclid=IwAR2_p2N4lrDwS1E2pw2ASObfXfcZpMa-PlmuhKwAYDEfPgeRb_1sjGXek2I
Fonte:
https://github.com/FiveTechSoft/mod_harbour/blob/master/samples/sandbox.prg?fbclid=IwAR0kos6P5sbIjnrJbGpZ5KD2N4Ej2WreR1YtuGhUbEC6sCjfrjQjFzLJ5Wk
Saudações,
Itamar M. lins Jr.