bspatch - Man Page

bspatch generates ⟨newfile⟩ from ⟨oldfile⟩ and ⟨patchfile⟩ where ⟨patchfile⟩ is a binary patch built by bsdiff(1).

bspatch uses memory equal to the size of ⟨oldfile⟩ plus the size of ⟨newfile⟩, but can tolerate a very small working set without a dramatic loss of performance.

bsdiff(1)

Colin Percival ⟨cperciva@freebsd.org⟩

bsdiff(1).