documentation of -newerXY

Regarding: -newerXY reference Say if X and Y refer to the same file or not. Give a valid example and explain what it does.

Can't say "up to and including" with -newer without a symmetrical -older

$ for i in w x y; do sleep 4; touch $i; done $ find ? -newer x y $ find ? ! -newer x w x OK, so how does one find just x y ? No easy way, as you have a unsymmetrical -newer without a matching -older. One must resort to big hassles to work around your unsymmetrical offering of commands. You migh