Re: [5.1.4/newbie] "attempt to index ... 'file' (a nil value)"?

[Roberto Ierusalimschy <roberto@...>]

> > local file = io.open ('/var/tmp/myfile.txt',w)
> 
> The file does not exist and you have opened if for reading.
> 
> Try
>   local file = io.open ('/var/tmp/myfile.txt',"w")

Better yet:

    local file = assert(io.open ('/var/tmp/myfile.txt',"w"))

-- Roberto