"xform" I've seen elsewhere, like in GNU tar's --xform option to transform filenames. It does accept --transform as well, though, and I agree that "xfrm" doesn'

"xform" I've seen elsewhere, like in GNU tar's --xform option to transform filenames. It does accept --transform as well, though, and I agree that "xfrm" doesn't readily map to "transform" for me either.