Sed to remove everything after “.” in file using * command?

Question

I have the following data.txt:

 95 flour.
 47 water.s
 etc..

I need to remove everything after the period (.) in the file to yield s

Answer 1

This is the simplest:

sed "s/\..*//"

And this is, I think, one of the best ways of doing it (better than pure bash or Python).