how to cut sample on the file level ?

i have some loops that i want to cut some tails so the loop loops perfectly, but i want the cut to made permanently on file level. now the only possible way i know of to do it is to export them, but i prefer avoiding this and go with the sample editor if possible.

Hoo ok i see… i can cut on sample editor or project window and “bounce selection” which is nice and OK for my purpose (although it creates more files.)
is there another way i will