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About the saving of values: yes, it is important not to molest the
original file. I would like to be able to work with conf files in
FreeBSD lik rc.conf and leave them intact.


On Wed, Sep 28, 2016 at 6:15 PM, Valentin <> wrote:
>> Okay all you smarty pants (tee hee)! I need to be able to replace the
>> value of a line item in said conf files. This was my terrible attempt
>> some moons ago:
> As Sean has already mentioned, instead of identifying and changing a
> particular line in your conf file, it would be much easier to just save
> your full configuration again - unless you care about white space and
> comments in the conf file. If not, the following minimal code would
> write your conf table back to such a "INI-like" conf file:
> function saveConfToFile (confTable, confFile)
>   local f =, 'w')
>   if f==nil then return false end
>   for k,v in pairs(confTable) do
>     f:write(k..'='..v..'\n')
>   end
>   f:close()
>   return true
> end
> Disclaimer: untested email code
> Valentin