gBASIC. `help` for prompt commands, `quit` to leave.
> age = 15
> (age > 12 and age < 20)
true
> (age > 12 or age < 20)
true
> answer = "y"
> (answer = "yes" or answer = "y")
true
> trained = false
> not trained
true
> a = 1
> b = 2
> not a = b
true
> (a != b)
true
> if "" then
... print("empty is true")
... else
... print("empty is false")
... end if
empty is false
> if "" then print("a") else print("b")
parse error at <prompt>:1:23: syntax error, unexpected ELSE, expecting NEWLINE
> quit
Your program was not saved; `recover` will bring it back next time.
