main .flow.linear( .io.print("please enter something:"), .io.print(.io.scan), .io.print(str.cat( "your input. ", .io.scan("please enter something else: ") )), .io.print(nil.nil), .fs.write("test", "hello world"), bool.if(.fs.exists("test"), .io.print("successfully wrote file"), .flow.error("failed to write file") ), .io.print(.fs.read("test")), .fs.remove("test"), bool.if(.fs.exists("test"), .flow.error("failed to remove file"), .io.print("successfully removed file") ), .io.print(nil.nil), .io.print(.os.time), .os.sleep(500), .io.print(.os.time), .io.print(nil.nil), .os.execute("echo hello world"), .io.print(nil.nil), .io.print(str.cat( "Unseeded dice: ", .random.random(1, 6) )), .random.seed(.os.time), .io.print(str.cat( "Seeded dice: ", .random.random(1, 6) )), .io.print(str.cat( "RAND_MAX = ", .random.max )), .io.print(nil.nil), "success" )