Re: Checking for a writeable or readable file

[Konstantinos Asimakis <inshame@...>]

Sorry for the double post. I forgot to remove the triple ___ in some places, remove those before trying the code.

On Tue, Oct 23, 2012 at 12:41 PM, Konstantinos Asimakis <inshame@gmail.com> wrote:

--This goes somewhere very early in your code, before opening any file.

do

    local files={}

    local oldopen=io.open

    function io.open(f,m) 

        local r=oldopen(f,m)

        ___files[r]=m

        return r

    end

    function io.getmode(handle)

        return ___files[handle]

    end

end

t=io.open("/dev/random","r")

--This will print "r".

print(io.getmode(t))

--And probably this would also work but I haven't tested it: t:getmode()