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Annotation of 43BSDReno/usr.bin/uniq/uniq.1, revision 1.1

1.1     ! root        1: .\"    @(#)uniq.1      6.1 (Berkeley) 4/29/85
        !             2: .\"
        !             3: .TH UNIQ 1 "April 29, 1985"
        !             4: .AT 3
        !             5: .SH NAME
        !             6: uniq \- report repeated lines in a file
        !             7: .SH SYNOPSIS
        !             8: .B uniq
        !             9: [
        !            10: .B \-udc
        !            11: [
        !            12: .BR + n
        !            13: ] [
        !            14: .BR \- n
        !            15: ]
        !            16: ] [ input [ output ] ]
        !            17: .SH DESCRIPTION
        !            18: .I Uniq
        !            19: reads the input file comparing adjacent lines.
        !            20: In the normal case, the second and succeeding copies of repeated lines are
        !            21: removed; the remainder is written on the output file.
        !            22: Note that repeated lines must be adjacent in order to be found; see
        !            23: .IR  sort (1).
        !            24: If the
        !            25: .B \-u
        !            26: flag is used, just the lines that are not repeated
        !            27: in the original file are output.  The
        !            28: .B \-d
        !            29: option specifies that one copy of just the repeated lines is to be written.
        !            30: The normal mode output is the union of the
        !            31: .B \-u
        !            32: and
        !            33: .B \-d
        !            34: mode outputs.
        !            35: .PP
        !            36: The
        !            37: .B \-c
        !            38: option supersedes
        !            39: .B \-u
        !            40: and
        !            41: .B \-d
        !            42: and generates an output report in default style
        !            43: but with each line preceded by a count of the number of times it occurred.
        !            44: .PP
        !            45: The
        !            46: .I n
        !            47: arguments specify skipping an initial portion of each line in the comparison:
        !            48: .TP 8
        !            49: .BI \- n
        !            50: The first
        !            51: .IR n 
        !            52: fields together with any blanks before each are ignored.
        !            53: A field is defined as a string of non-space, non-tab characters
        !            54: separated by tabs and spaces from its neighbors.
        !            55: .TP 8
        !            56: .BI + n
        !            57: The first
        !            58: .IR n 
        !            59: characters are ignored.  Fields are skipped before characters.
        !            60: .PP
        !            61: .SH "SEE ALSO"
        !            62: sort(1), comm(1)

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