BSDIFF(1) BSD General Commands Manual BSDIFF(1)NAMEbsdiff — generate a patch between two binary files
SYNOPSISbsdiff ⟨oldfile⟩ ⟨newfile⟩ ⟨patchfile⟩
DESCRIPTIONbsdiff 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 aver‐
age 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 ALSObspatch(1)AUTHORS
Colin Percival ⟨cperciva@freebsd.org⟩
FreeBSD May 18, 2003 FreeBSD