bdiff
file1
file2
[options
]
Compare file1
with file2
and report the differing
lines. bdiff splits the files and then runs diff,
allowing it to act on files that would normally be
too large to handle. bdiff reads standard input if one of
the files is - . See also diff.
n
Split each file into n
-line segments (default is 3500).
This option must be listed first.
Suppress error messages from bdiff (but not from diff).