2 io:print("please enter something:"),
7 io:scan("please enter something else: ")
11 fs:write("test", "hello world"),
12 :bool:if(fs:exists("test"),
13 io:print("successfully wrote file"),
14 flow:error("failed to write file")
17 io:print(fs:read("test")),
20 :bool:if(fs:exists("test"),
21 flow:error("failed to remove file"),
22 io:print("successfully removed file")
31 os:execute("echo hello world"),