bdiff - Finds differences in large files
bdiff file1 file2 [number] [-s]
bdiff - file2 [number] [-s]
bdiff file1 - [number] [-s]
and writes information about their differing
lines to standard output. If either filename is
reads standard input.
Suppresses error messages. (May either precede or follow
argument if it is specified.)
The bdiff command uses diff to find lines that must be changed in two files to make them identical (see the diff command). Its primary purpose is to permit processing of files that are too large for diff.
The bdiff command ignores lines common to the beginning of both files, splits the remainders into sections of number lines, and runs diff on the sections. The output is then processed to make it look as if diff had processed the files whole.
If you do not specify number, a system default is used. In some cases, the number you specify or the default number may be too large for diff. If bdiff fails, specify a smaller value for number and try again.
Note that because of file segmenting,
not necessarily find the smallest possible set of file differences. In general,
although the output is similar, using
is not the
equivalent of using
The diff command is executed by a child process, generated by forking, and communicates with bdiff through pipes.
It should not normally be necessary to use this command, since
can handle most large files.
An error occurred.
Commands: diff(1), diff3(1)