[1885] | 1 | #!/usr/bin/perl -w
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| 2 |
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| 3 | ###########################################################################
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| 4 | #
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| 5 | # classinfo.pl -- provide information about classifiers
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| 6 | #
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| 7 | # A component of the Greenstone digital library software
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| 8 | # from the New Zealand Digital Library Project at the
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| 9 | # University of Waikato, New Zealand.
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| 10 | #
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| 11 | # Copyright (C) 1999 New Zealand Digital Library Project
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| 12 | #
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| 13 | # This program is free software; you can redistribute it and/or modify
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| 14 | # it under the terms of the GNU General Public License as published by
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| 15 | # the Free Software Foundation; either version 2 of the License, or
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| 16 | # (at your option) any later version.
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| 17 | #
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| 18 | # This program is distributed in the hope that it will be useful,
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| 19 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 20 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 21 | # GNU General Public License for more details.
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| 22 | #
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| 23 | # You should have received a copy of the GNU General Public License
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| 24 | # along with this program; if not, write to the Free Software
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| 25 | # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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| 26 | #
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| 27 | ###########################################################################
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| 28 |
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| 29 |
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| 30 | BEGIN {
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| 31 | die "GSDLHOME not set\n" unless defined $ENV{'GSDLHOME'};
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| 32 | die "GSDLOS not set\n" unless defined $ENV{'GSDLOS'};
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| 33 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib");
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| 34 | unshift (@INC, "$ENV{'GSDLHOME'}/perllib/classify");
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| 35 | }
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| 36 |
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| 37 | use strict;
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| 38 | use classify;
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| 39 | use util;
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| 40 | use parsargv;
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| 41 |
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| 42 | sub print_usage {
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[1970] | 43 | print STDERR "\n";
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| 44 | print STDERR "classinfo.pl: Prints information about a classifier.\n\n";
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| 45 | print STDERR " usage: $0 [options] classifier\n\n";
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| 46 | print STDERR " options:\n";
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| 47 | print STDERR " -collect collection-name Giving a collection name will make\n";
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| 48 | print STDERR " classinfo.pl look in collect/collection-name/perllib/classify\n";
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| 49 | print STDERR " first. If it doesn't find it there it will look in the general\n";
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| 50 | print STDERR " perllib/classify directory.\n\n";
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[1885] | 51 | }
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| 52 |
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| 53 | &main ();
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| 54 |
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| 55 | sub main {
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| 56 | my $collect = "";
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| 57 |
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| 58 | # Parse command line
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| 59 | if (!parsargv::parse(\@ARGV, 'collect.*/', \$collect)) {
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| 60 | &print_usage();
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| 61 | die "\n";
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| 62 | }
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| 63 |
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| 64 | # Get classifier
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| 65 | my $classifier = shift (@ARGV);
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| 66 | if (!defined $classifier || $classifier eq "") {
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| 67 | print STDERR "You must provide a classifier name\n";
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| 68 | &print_usage();
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| 69 | die "\n";
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| 70 | }
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| 71 |
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| 72 | # make sure the classifier is loaded from the correct location - a hack.
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| 73 | if ($collect ne "") {
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| 74 | $ENV{'GSDLCOLLECTDIR'} = &util::filename_cat ($ENV{'GSDLHOME'}, "collect", $collect);
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| 75 | } else {
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| 76 | $ENV{'GSDLCOLLECTDIR'} = $ENV{'GSDLHOME'};
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| 77 | }
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| 78 |
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| 79 | my $classinfo = &classify::load_classifiers ([[$classifier]]);
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| 80 | my $classobj = shift @$classinfo;
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| 81 |
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| 82 | print STDERR "
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| 83 | $classifier info:
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| 84 |
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| 85 | Options may be passed to any classifier by including them in your collect.cfg
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| 86 | configuration file.
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| 87 |
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| 88 | Classifiers may take two types of options:
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| 89 |
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| 90 | General options are defined within the base class (BasClas.pm) and are
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| 91 | inherited by any classifier that has been correctly derived from BasClas.
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| 92 |
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| 93 | Specific options are defined within the classifier itself and are available
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| 94 | only to this particular classifier.
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| 95 |
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| 96 | $classifier takes the following specific options:
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| 97 | ";
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| 98 | $classobj->print_usage();
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| 99 |
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| 100 | print STDERR "$classifier takes the following general options
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| 101 | ";
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| 102 | &BasClas::print_general_usage($classifier);
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| 103 |
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| 104 | }
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| 105 |
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| 106 |
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| 107 |
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| 108 |
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