antirez/lamernews — comment on commit c0efd2496993e21f49acfc63ec42f418978e554f
File:  line 0
By antirez:

Yes is a good idea, but even better probably is to directly use File.stat(... filename ...).mtime.to_i
This should not make the request any slower given that a number of file accesses are performed anyway at every page view, but will fix the problem in a general way. Makes sense?