At the moment I have the slider appearing on page and would like to write the value of the slider is set at in a text file.
The output value say 15 on the range of the slider below when moved gets written on /path/to/file.txt
you can use BP or Esso as well provided you drive a petrol car
on a serious note - why not?
all you need is to chang that thing inside {{}}
where do you have your energy value?