Re: type checking tags

[Luiz Henrique de Figueiredo <lhf@...>]

>      -- this will hang
>      p = 123
>      s = read(p,'*a')

No, it only seems so.
This code will first try to read 123 bytes from stdin and then all of stdin.
Try typying control-d (or control-z) once or twice.

In summary, Lua does check whether the first argument to read is a file handle.
--lhf