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Annotation of researchv10dc/man/adm/man1/uniq.1, revision 1.1

1.1     ! root        1: .TH UNIQ 1
        !             2: .CT 1 files
        !             3: .SH NAME
        !             4: uniq \- report repeated lines in a file
        !             5: .SH SYNOPSIS
        !             6: .B uniq
        !             7: [
        !             8: .B -udc
        !             9: [
        !            10: .BI +- num
        !            11: ]
        !            12: ]
        !            13: [
        !            14: .I file
        !            15: ]
        !            16: .SH DESCRIPTION
        !            17: .I Uniq
        !            18: copies the input
        !            19: .I file,
        !            20: or the standard input, to the
        !            21: standard output comparing adjacent lines.
        !            22: In the normal case, the second and succeeding copies
        !            23: of repeated lines are
        !            24: removed.
        !            25: Repeated lines must be adjacent
        !            26: in order to be found.
        !            27: .TP
        !            28: .B -u
        !            29: Print unique lines.
        !            30: .TP
        !            31: .B -d
        !            32: Print (one copy of) duplicated lines.
        !            33: .TP
        !            34: .B -c
        !            35: Prefix a repetition count and a tab to each output line.
        !            36: Implies
        !            37: .B -u
        !            38: and
        !            39: .BR -d .
        !            40: .TP
        !            41: .BI - num
        !            42: The first
        !            43: .IR num
        !            44: fields
        !            45: together with any blanks before each are ignored.
        !            46: A field is defined as a string of non-space, non-tab characters
        !            47: separated by tabs and spaces from its neighbors.
        !            48: .TP
        !            49: .BI + num
        !            50: The first
        !            51: .IR num
        !            52: characters are ignored.
        !            53: Fields are skipped before characters.
        !            54: .SH EXAMPLES
        !            55: .TP
        !            56: .B
        !            57: cut -d: -f3 /etc/passwd | sort | uniq -d
        !            58: Print duplicated userids from the password file,
        !            59: .IR passwd (5).
        !            60: .I Cut
        !            61: picks out the userid (the third colon-delimited field) and
        !            62: .I sort
        !            63: brings repetitions together.
        !            64: .SH "SEE ALSO"
        !            65: .IR sort (1), 
        !            66: .IR comm (1)
        !            67: .SH BUGS
        !            68: Field-selection and comparison should be compatible with 
        !            69: .IR sort (1).

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