[3745] | 1 | .\"------------------------------------------------------------
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| 2 | .\" Id - set Rv,revision, and Dt, Date using rcs-Id tag.
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| 3 | .de Id
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| 4 | .ds Rv \\$3
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| 5 | .ds Dt \\$4
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| 6 | ..
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| 7 | .Id $Id: mg_invf_dict.1 3745 2003-02-20 21:20:24Z mdewsnip $
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| 8 | .\"------------------------------------------------------------
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| 9 | .TH mg_invf_dict 1 \*(Dt CITRI
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| 10 | .SH NAME
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| 11 | mg_invf_dict \- build an `on-disk' stemmed dictionary
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| 12 | .SH SYNOPSIS
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| 13 | .B mg_invf_dict
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| 14 | [
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| 15 | .B \-h
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| 16 | ]
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| 17 | [
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| 18 | .B \-F
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| 19 | ]
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| 20 | [
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| 21 | .BI \-b " num"
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| 22 | ]
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| 23 | [
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| 24 | .BI \-d " directory"
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| 25 | ]
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| 26 | .if n .ti +9n
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| 27 | .BI \-f " name"
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| 28 | .SH DESCRIPTION
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| 29 | .B mg_invf_dict
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| 30 | builds an `on-disk' stemmed dictionary from the
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| 31 | compressed stemmed dictionary that the
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| 32 | .BR mgquery (1)
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| 33 | program can access. Each entry in the dictionary contains the disk
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| 34 | pointer to the associated inverted file entry, and various other pieces
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| 35 | of information about the stemmed word.
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| 36 | .SH OPTIONS
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| 37 | Options may appear in any order.
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| 38 | .TP "\w'\fB\-d\fP \fIdirectory\fP'u+2n"
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| 39 | .B \-h
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| 40 | This displays a usage line on
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| 41 | .IR stderr .
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| 42 | .TP
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| 43 | .BI \-b " num"
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| 44 | The dictionary is stored in blocks on disk; this option is used to set
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| 45 | the block size. The default is 4-KB blocks.
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| 46 | .TP
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| 47 | .B \-F
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| 48 | This option causes the disk blocks to be aligned on the appropriate
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| 49 | boundaries. For example, if 4-KB blocks are used, they will be aligned
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| 50 | in the file on 4-KB boundaries.
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| 51 | .TP
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| 52 | .BI \-d " directory"
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| 53 | This specifies the directory where the document collection can be found.
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| 54 | .TP
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| 55 | .BI \-f " name"
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| 56 | This specifies the base name of the document collection.
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| 57 | .SH ENVIRONMENT
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| 58 | .TP "\w'\fBMGDATA\fP'u+2n"
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| 59 | .SB MGDATA
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| 60 | If this environment variable exists, then its value is used as the
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| 61 | default directory where the
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| 62 | .BR mg (1)
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| 63 | collection files are. If this variable does not exist, then the
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| 64 | directory \*(lq\fB.\fP\*(rq is used by default. The command line
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| 65 | option
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| 66 | .BI \-d " directory"
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| 67 | overrides the directory in
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| 68 | .BR MGDATA .
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| 69 | .SH FILES
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| 70 | .TP 20
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| 71 | .B *.invf
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| 72 | Inverted file.
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| 73 | .TP
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| 74 | .B *.invf.dict.build
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| 75 | Compressed stemmed dictionary.
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| 76 | .TP
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| 77 | .B *.invf.dict
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| 78 | The `on-disk' stemmed dictionary.
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| 79 | .TP
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| 80 | .B *.invf.idx
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| 81 | The index into the inverted file.
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| 82 | .SH "SEE ALSO"
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| 83 | .na
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| 84 | .BR mg (1),
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| 85 | .BR mg_compression_dict (1),
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| 86 | .BR mg_fast_comp_dict (1),
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| 87 | .BR mg_get (1),
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| 88 | .BR mg_invf_dump (1),
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| 89 | .BR mg_invf_rebuild (1),
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| 90 | .BR mg_passes (1),
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| 91 | .BR mg_perf_hash_build (1),
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| 92 | .BR mg_text_estimate (1),
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| 93 | .BR mg_weights_build (1),
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| 94 | .BR mgbilevel (1),
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| 95 | .BR mgbuild (1),
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| 96 | .BR mgdictlist (1),
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| 97 | .BR mgfelics (1),
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| 98 | .BR mgquery (1),
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| 99 | .BR mgstat (1),
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| 100 | .BR mgtic (1),
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| 101 | .BR mgticbuild (1),
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| 102 | .BR mgticdump (1),
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| 103 | .BR mgticprune (1),
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| 104 | .BR mgticstat (1).
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