Re: 5.1 beta and closing files
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- Subject: Re: 5.1 beta and closing files
- From: Roberto Ierusalimschy <roberto@...>
- Date: 2005年11月21日 12:51:25 -0200
> This means that code like this (from luasocket)
>
> a,b,c= h.request{url="http://www.acme.com/index.html",sink=
> ltn12.sink.file(io.stdout)}
>
> will close stdout in 5.1 whereas in 5.0.2 it did not.
I may be wrong, but I think a library function should not close a file
that it did not open.
> Would it be possible to have [...] an io flag that sets the old behaviour?
-- untested code
do
local old_close = io.close
io.close = function (f)
f = f or io.output()
if f == io.stdin or f == io.stdout or f == io.stderr then
return
end
return old_close(f)
end
end
-- Roberto