Re: Why can't I read a file using io.read?

["Michael Newberry" <mnewberry@...>]

Thanks, that worked! I haven't dealt with stdin, etc. for many years and 
just didn't even think of it. Now I see in the book, that it mentions 
"standard input".

Michael

----- Original Message ----- 
From: "Ico" <lua@zevv.nl>
To: "Lua list" <lua@bazar2.conectiva.com.br>
Sent: Wednesday, August 12, 2009 11:53 AM
Subject: Re: Why can't I read a file using io.read?


> * On 2009-08-12 Michael Newberry <mnewberry@mirametrics.com> wrote  :
>
> > I've been using lua for almost 15 years and I've never had to use the io 
> > package before now. I can't get it to work. The fragment below returns a 
> > nil string.
> >
> > I know the file name (sName, which is a full path) is good and that the 
> > file has multiple lines of text inside it. I printed the handle (nFile) 
> > returned by io.open and it is non zero.
> >
> >
> > nFile, sMsg = io.open( sName, "r" )
> > if not nFile then Exit(sMsg) end
> >
> > for i = 1, 10000000 do
> >   local sLine = io.read("*line")
>
> You're reading from stdin, instead of from your newly opened filehandle.
> Try:
>
> local sLine = nFile:read("*l")
>
> --
> :wq
> ^X^Cy^K^X^C^C^C^C