initial import of NetBSD tree

1 files changed, 198 insertions, 0 deletions

diff --git a/gnu/usr.bin/diff/sdiff.1 b/gnu/usr.bin/diff/sdiff.1
new file mode 100644
index 00000000000..8b7e88c1314
--- /dev/null
+++ b/gnu/usr.bin/diff/sdiff.1
@@ -0,0 +1,198 @@
+.TH SDIFF 1 "22sep1993" "GNU Tools" "GNU Tools"
+.SH NAME
+sdiff \- find differences between two files and merge interactively
+.SH SYNOPSIS
+.B sdiff
+.B -o
+outfile [options] from-file to-file
+.SH DESCRIPTION
+The
+.I sdiff
+command merges two files and interactively outputs the
+results to
+.IR outfile .
+
+If
+.I from-file
+is a directory and
+.I to-file
+is not,
+.I sdiff
+compares the file in
+.I from-file
+whose file name is that of
+.IR to-file ,
+and vice versa.
+.I from-file
+and
+.I to-file
+may not both be
+directories.
+
+.I sdiff
+options begin with
+.BR \- ,
+so normally
+.I from-file
+and
+.I to-file
+may not begin with
+.BR \- .
+However,
+.B \-\-
+as an
+argument by itself treats the remaining arguments as file names even if
+they begin with
+.BR \- .
+You may not use
+.B \-
+as an input file.
+
+.I sdiff
+without
+.B \-o
+(or
+.BR \-\-output )
+produces a
+side-by-side difference.  This usage is obsolete; use
+.B "diff \-\-side\-by\-side"
+instead.
+.SS Options
+Below is a summary of all of the options that GNU
+.I sdiff
+accepts.
+Each option has two equivalent names, one of which is a single
+letter preceded by
+.BR \- ,
+and the other of which is a long name
+preceded by
+.BR \-\- .
+Multiple single letter options (unless they take
+an argument) can be combined into a single command line argument.  Long
+named options can be abbreviated to any unique prefix of their name.
+.TP
+.B \-a
+Treat all files as text and compare them line-by-line, even if they
+do not appear to be text.
+.TP
+.B \-b
+Ignore changes in amount of white space.
+.TP
+.B \-B
+Ignore changes that just insert or delete blank lines.
+.TP
+.B \-d
+Change the algorithm to perhaps find a smaller set of changes.  This
+makes
+.I sdiff
+slower (sometimes much slower).
+.TP
+.B \-H
+Use heuristics to speed handling of large files that have numerous
+scattered small changes.
+.TP
+.B \-\-expand\-tabs
+Expand tabs to spaces in the output, to preserve the alignment of tabs
+in the input files.
+.TP
+.B \-i
+Ignore changes in case; consider upper- and lower-case to be the same.
+.TP
+.BI "\-I " regexp
+Ignore changes that just insert or delete lines that match
+.IR regexp .
+.TP
+.B \-\-ignore\-all\-space
+Ignore white space when comparing lines.
+.TP
+.B \-\-ignore\-blank\-lines
+Ignore changes that just insert or delete blank lines.
+.TP
+.B \-\-ignore\-case
+Ignore changes in case; consider upper- and lower-case to be the same.
+.TP
+.BI \-\-ignore\-matching\-lines= regexp
+Ignore changes that just insert or delete lines that match
+.IR regexp .
+.TP
+.B \-\-ignore\-space\-change
+Ignore changes in amount of white space.
+.TP
+.B \-l
+.br
+.ns
+.TP
+.B \-\-left\-column
+Print only the left column of two common lines.
+.TP
+.B \-\-minimal
+Change the algorithm to perhaps find a smaller set of changes.  This
+makes
+.I sdiff
+slower (sometimes much slower).
+.TP
+.BI "\-o " file
+.br
+.ns
+.TP
+.BI \-\-output= file
+Put merged output into
+.IR file .
+This option is required for merging.
+.TP
+.B \-s
+.br
+.ns
+.TP
+.B \-\-suppress\-common\-lines
+Do not print common lines.
+.TP
+.B \-\-speed\-large\-files
+Use heuristics to speed handling of large files that have numerous
+scattered small changes.
+.TP
+.B \-t
+Expand tabs to spaces in the output, to preserve the alignment of tabs
+in the input files.
+.TP
+.B \-\-text
+Treat all files as text and compare them line-by-line, even if they
+do not appear to be text.
+.TP
+.B \-v
+.br
+.ns
+.TP
+.B \-\-version
+Output the version number of
+.IR sdiff .
+.TP
+.BI "\-w " columns
+.br
+.ns
+.TP
+.BI \-\-width= columns
+Use an output width of
+.IR columns .
+Note that for historical reasons, this option is
+.B \-W
+in
+.IR diff ,
+.B \-w
+in
+.IR sdiff .
+.TP
+.B \-W
+Ignore horizontal white space when comparing lines.
+Note that for historical reasons, this option is
+.B \-w
+in
+.IR diff ,
+.B \-W
+in
+.IR sdiff .
+.SH SEE ALSO
+cmp(1), comm(1), diff(1), diff3(1).
+.SH DIAGNOSTICS
+An exit status of 0 means no differences were found, 1 means some
+differences were found, and 2 means trouble.