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Annotation of 43BSDReno/contrib/bib/man/invert.1, revision 1.1

1.1     ! root        1: .\"    "@(#)invert.1   4.4     9/10/85";
        !             2: .TH INVERT 1 "28 July 1983"
        !             3: .UC 4
        !             4: .SH NAME
        !             5: invert, lookup \(em create and access an inverted index
        !             6: .SH SYNOPSIS
        !             7: .B invert
        !             8: [option ... ] file ...
        !             9: .ns
        !            10: .PP
        !            11: .B lookup
        !            12: [option ... ]
        !            13: .SH DESCRIPTION
        !            14: .I Invert
        !            15: creates an inverted index to one or more files.
        !            16: .I Lookup
        !            17: retrieves records from files for which an inverted index exists.
        !            18: The inverted indices are intended for use with
        !            19: .IR bib (1).
        !            20: .PP
        !            21: .I Invert
        !            22: creates one inverted index to all of its input files.
        !            23: The index must be stored in the current directory and may not be moved.
        !            24: Input files may be absolute path names or paths relative to the current
        !            25: directory.
        !            26: Each input file is viewed as a set of records;
        !            27: each record consists of non-blank lines;
        !            28: records are separated by blank lines.
        !            29: .PP
        !            30: .I Lookup
        !            31: retrieves records based on its input
        !            32: .I (stdin).
        !            33: Each line of input is a retrieval request.
        !            34: All records that contain all of the keywords in the retrieval request
        !            35: are sent to
        !            36: .I stdout.
        !            37: If there are no matching references, ``No references found.'' is sent to
        !            38: .I stdout.
        !            39: .I \ Lookup
        !            40: first searches in the user's private index (default INDEX)
        !            41: and then, if no references are found,
        !            42: in the system index (/usr/dict/papers/INDEX).
        !            43: The system index was produced using
        !            44: .I invert
        !            45: with the default options;
        !            46: in general, the user is advised to use the defaults.
        !            47: .PP
        !            48: Keywords are a sequence of non-white space characters
        !            49: with non-alphanumeric characters removed.
        !            50: Keywords must be at least two characters and are truncated
        !            51: (default length is 6).
        !            52: Some common words are ignored.
        !            53: Some lines of input are ignored for the purpose of collecting keywords.
        !            54: .PP
        !            55: The following options are available for
        !            56: .I invert:
        !            57: .IP "\-c \fIfile\fP" 8m
        !            58: .ns
        !            59: .IP \-c\fIfile\fP
        !            60: File contains common words, one per line.
        !            61: Common words are not used as keys.
        !            62: (Default /usr/new/lib/bmac/common.)
        !            63: .IP "\-k \fIi\fP"
        !            64: .ns
        !            65: .IP \-k\fIi\fP
        !            66: Maximum number of keys kept per record. (Default 100)
        !            67: .IP "\-l \fIi\fP"
        !            68: .ns
        !            69: .IP \-l\fIi\fP
        !            70: Maximum length of keys. (Default 6)
        !            71: .IP "\-p \fIfile\fP"
        !            72: .ns
        !            73: .IP \-p\fIfile\fP
        !            74: File is the name of the private index file (output of
        !            75: .IR invert ).
        !            76: (Default is INDEX.)
        !            77: The index must be stored in the current directory.
        !            78: (Be careful of the second form.
        !            79: The shell will not know to expand the file name.
        !            80: E.g. \-p~/index won't work; use \-p\ ~/index.)
        !            81: .IP \-s
        !            82: Silent.
        !            83: Suppress statistics.
        !            84: .IP -%\fIstr\fP
        !            85: Ignore lines that begin with %x
        !            86: where x is in
        !            87: .I str.
        !            88: (Default is CNOPVX. See
        !            89: .IR bib (1)
        !            90: for explanation of field names.)
        !            91: .PP
        !            92: .I Lookup
        !            93: has only the options
        !            94: .BR c ,
        !            95: .BR l ,
        !            96: and
        !            97: .B  p
        !            98: with the same meanings as
        !            99: .I bib.
        !           100: In particular, the
        !           101: .B p
        !           102: option can be followed by a list of comma separated index files.
        !           103: These are searched in order from left to right until at least one reference
        !           104: is found.
        !           105: .SH FILES
        !           106: INDEX                    inverted index
        !           107: .br
        !           108: /usr/tmp/invertxxxxxx    scratch file for invert
        !           109: .br
        !           110: /usr/new/lib/bmac/common     default list of common words
        !           111: .br
        !           112: /usr/dict/papers/INDEX   default system index
        !           113: .SH SEE ALSO
        !           114: \fIA UNIX Bibliographic Database Facility\fP,
        !           115: Timothy A. Budd and Gary M. Levin,
        !           116: University of Arizona Technical Report 82-1, 1982.
        !           117: .br
        !           118: bib(1)
        !           119: .SH DIAGNOSTICS
        !           120: Messages indicating trouble accessing files are sent on
        !           121: .I  stderr.
        !           122: There is an explicit message on
        !           123: .I stdout
        !           124: from
        !           125: .I lookup
        !           126: if no references are found.
        !           127: .LP
        !           128: .I Invert
        !           129: produces a one line message of the form,
        !           130: \*(oq%D\ documents\ \ \ %D distinct\ keys\ \ %D\ key\ occurrences\*(cq.
        !           131: This can be suppressed with the \-s option.
        !           132: .LP
        !           133: The message \*(oqlocate: first key (%s) matched too many refs\*(cq
        !           134: indicates that the first key matched more references than could be stored
        !           135: in memory.
        !           136: The simple solution is to use a less frequently occurring key as the first
        !           137: key in the citation.
        !           138: .SH BUGS
        !           139: No attempt is made to check the compatibility between an index
        !           140: and the files indexed.
        !           141: The user must create a new index whenever
        !           142: the files that are indexed are modified.
        !           143: .LP
        !           144: Attempting to invert a file containing unprintable characters can
        !           145: cause chaos.

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