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Annotation of researchv10dc/man/manb/bdiff.1, revision 1.1

1.1     ! root        1: .TH BDIFF 1
        !             2: .SH NAME
        !             3: bdiff \- big diff
        !             4: .SH SYNOPSIS
        !             5: .B bdiff
        !             6: file1 file2 [n]
        !             7: .RB [ \-s ]
        !             8: .SH DESCRIPTION
        !             9: .I Bdiff\^
        !            10: is used in a manner analogous to
        !            11: .IR diff (1)
        !            12: to find which lines must be changed in two files to bring them
        !            13: into agreement.
        !            14: Its purpose is to allow processing of files which are too large
        !            15: for
        !            16: .IR diff .
        !            17: .I Bdiff\^
        !            18: ignores lines common to the beginning of both files,
        !            19: splits the remainder of each file into
        !            20: .IR n -line
        !            21: segments, and invokes
        !            22: .I diff\^
        !            23: upon corresponding segments.
        !            24: The value of
        !            25: .I n\^
        !            26: is 3500 by default.
        !            27: If the optional third argument is given, and it is
        !            28: numeric, it is used as the value for
        !            29: .IR n .
        !            30: This is useful in those cases in which 3500-line segments are
        !            31: too large for
        !            32: .IR diff ,
        !            33: causing it to fail.
        !            34: If
        !            35: .I file1\^
        !            36: .RI ( file2 )
        !            37: is \fB\-\fR,
        !            38: the standard input is read.
        !            39: The optional
        !            40: .B \-s
        !            41: (silent) argument specifies that
        !            42: no diagnostics are to be printed by
        !            43: .I bdiff\^
        !            44: (note, however, that this does not suppress possible exclamations by
        !            45: .IR diff .
        !            46: If both optional arguments are specified, they must appear in the
        !            47: order indicated above.
        !            48: .PP
        !            49: The output of
        !            50: .I bdiff\^
        !            51: is exactly that of
        !            52: .IR diff ,
        !            53: with line numbers adjusted to account for the segmenting of the files
        !            54: (that is, to make it look as if the files had been processed
        !            55: whole).
        !            56: Note that
        !            57: because of the segmenting of the files,
        !            58: .I bdiff\^
        !            59: does not necessarily find a
        !            60: smallest sufficient set of file differences.
        !            61: .SH FILES
        !            62: /tmp/bd?????
        !            63: .SH "SEE ALSO"
        !            64: diff(1).
        !            65: .SH DIAGNOSTICS
        !            66: Use
        !            67: .IR help (1)
        !            68: for explanations.

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