Description - Mks.com

-H
-h
-i
writes a script similar to the one produced under -e to the standard output, but with the
command sequence reversed, the command form reversed, and the line-range separator a
space, rather than a comma. This option conflicts with the -m, -c, and -C options.
uses the half-hearted (-h) algorithm only if the normal algorithm runs out of system
resources.
uses a fast, half-hearted algorithm instead of the normal diff algorithm. This algorithm can
handle arbitrarily large files; however, it is not particularly good at finding a minimal set of
differences in files with many differences.
ignores the case of letters when doing the comparison.
-Mmark
describes the diff mark to be used in place of the vertical line character (|) when the -m
option is also specified. mark can be any nroff/troff character or string. It can be as
simple or complex as you like. For example, specifying mark as 1 causes the diff mark to be
the character 1. Specifying \(sq causes it to be an open square and specifying
\s+6\fB\d~\u\fP\s0 causes the diff mark to be a bold-faced tilde (~) six points larger in
size half a line below the current line.
-m
-n
-r
This option does not change the character used to indicate deleted lines. It remains the
asterisk(*).
produces the contents of path2 with extra formatter request lines interspersed to show which
lines were added or changed and which were deleted.
If you do not also specify the -M option, added, or changed lines are indicated by a vertical
line character | in the right margin. If you do specify the -M option, diff uses the
nroff/troff string given as mark to indicated additions or changes. Deleted lines are
always indicated with an asterisk (*) in the right margin.
These are nroff/ troff requests. This option conflicts with the -e and -f options.
displays the differences in a form that is usable by MKS Source Integrity.
compares corresponding files under the directories, and recursively compares
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