NAME¶
bsdiff —
generate a patch between two
binary files
SYNOPSIS¶
| bsdiff |
⟨oldfile⟩
⟨newfile⟩
⟨patchfile⟩ |
DESCRIPTION¶
bsdiff compares ⟨
oldfile⟩
to ⟨
newfile⟩ and writes to
⟨
patchfile⟩ a binary patch suitable for
use by
bspatch(1). When ⟨
oldfile⟩ and
⟨
newfile⟩ are two versions of an
executable program, the patches produced are on average a factor of five
smaller than those produced by any other binary patch tool known to the
author.
bsdiff uses memory equal to 17 times the size of
⟨
oldfile⟩, and requires an absolute
minimum working set size of 8 times the size of oldfile.
SEE ALSO¶
bspatch(1)
AUTHORS¶
Colin Percival
⟨cperciva@freebsd.org⟩
