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bspatch(1) [freebsd man page]

BSPATCH(1)						    BSD General Commands Manual 						BSPATCH(1)

NAME
bspatch -- apply a patch built with bsdiff(1) SYNOPSIS
bspatch oldfile newfile patchfile DESCRIPTION
The bspatch utility generates newfile from oldfile and patchfile where patchfile is a binary patch built by bsdiff(1). The bspatch utility 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. SEE ALSO
bsdiff(1) AUTHORS
Colin Percival <cperciva@FreeBSD.org> BUGS
The bspatch utility does not verify that oldfile is the correct source file for patchfile. Attempting to apply a patch to the wrong file will usually produce garbage; consequently it is strongly recommended that users of bspatch verify that oldfile matches the source file from which patchfile was built, by comparing cryptographic hashes, for example. Users may also wish to verify after running bspatch that newfile matches the target file from which was built. BSD
May 18, 2003 BSD

Check Out this Related Man Page

diffmk(1)							   User Commands							 diffmk(1)

NAME
diffmk - mark differences between versions of a troff input file SYNOPSIS
diffmk oldfile newfile markedfile DESCRIPTION
diffmk compares two versions of a file and creates a third version that includes "change mark" (.mc) commands for nroff(1) and troff(1). oldfile and newfile are the old and new versions of the file. diffmk generates markedfile, which, contains the text from newfile with troff(1) "change mark" requests (.mc) inserted where newfile differs from oldfile. When markedfile is formatted, changed or inserted text is shown by | at the right margin of each line. The position of deleted text is shown by a single *. USAGE
See largefile(5) for the description of the behavior of diffmk when encountering files greater than or equal to 2 Gbyte ( 2**31 bytes). EXAMPLES
Example 1: An example of the diffmk command. diffmk can also be used in conjunction with the proper troff requests to produce program listings with marked changes. In the following command line: example% diffmk old.c new.c marked.c ; nroff reqs marked.c | pr the file reqs contains the following troff requests: .pl 1 .ll 77 .nf .eo .nh which eliminate page breaks, adjust the line length, set no-fill mode, ignore escape characters, and turn off hyphenation, respectively. If the characters | and * are inappropriate, you might run markedfile through sed(1) to globally change them. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWdoc | +-----------------------------+-----------------------------+ SEE ALSO
diff(1), nroff(1), sed(1), troff(1), attributes(5), largefile(5) BUGS
Aesthetic considerations may dictate manual adjustment of some output. File differences involving only formatting requests may produce undesirable output, that is, replacing .sp by .sp 2 will produce a "change mark" on the preceding or following line of output. SunOS 5.10 14 Sep 1992 diffmk(1)
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