1: #!perl
2:
3: #!/usr/local/bin/perl -w
4:
5: =head1 NAME
6:
7: findequal.pl - a script for filling the equalto tablee.
8:
9: =head1 SYNOPSIS
10:
11: findequal.pl
12:
13:
14: =head1 DESCRIPTION
15:
16: This script will create a table B<equalto>
17: in the B<chgk> database and fill it with pairs of
18: equal questions. If the tables exist, it will ask user whether
19: new table should be created.
20:
21: =head1 AUTHOR
22:
23: Roman Semizarov
24:
25: =cut
26:
27:
28: use DBI;
29: use locale;
30: use dbchgk;
31: use POSIX qw (locale_h);
32:
33: do "common.pl";
34:
35: if (checktable('equalto')) {die "The table equalto exists. You must delete it first!\n"};
36:
37: if ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
38:
39: print "before mydo";
40:
41:
42: print "Creating equalto table...\n";
43:
44: mydo("CREATE TABLE equalto (
45: First INT UNSIGNED NOT NULL PRIMARY KEY, KEY FirstKey (First),
46: Second INT UNSIGNED NOT NULL, KEY SecondKey (Second)
47: )")
48:
49: or die "Can't create equalto table: $!\n";
50:
51:
52: if ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
53: print "before getbase";
54:
55: getbase(QuestionId,Question);
56:
57:
58: print "after getbase";
59:
60: print "Loading questions...\n";
61:
62: if ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
63:
64: while ((($id, $a) = getrow), $id)
65: {
66: if (!($id%1000)) {print "$id questions loaded...\n"}
67:
68: $a=~s/³£pPHXxAaBEe3KMoOT/åÅÒòîèÈáÁ÷åÅúëíÏïô/;
69: $a=uc $a;
70:
71: $a=~s/[^êãõëåîçûýúèÿüöäìïòðá÷ùæñþóíéôøâàÊÃÕËÅÎÇÛÝÚÈßÆÙ×ÁÐÒÏÌÄÖÜÑÞÓÍÉÔØÂÀ]//g;
72: $ar[$id]=$a;
73: $last=$id;
74: }
75:
76:
77:
78: print "Checking...\n";
79:
80: $cur=0;
81: $ar[0]="\0";
82: foreach $q (sort {($ar[$a] cmp $ar[$b])} 1..$last)
83: {
84: if ($ar[$q] eq $ar[$cur]) {$equal{$q}=$cur} else {$cur=$q}
85: }
86:
87: print scalar keys %equal, " pairs found\n";
88:
89: print("Updating the DB...\n");
90:
91: foreach $a (keys %equal)
92: {
93: mydo("INSERT INTO equalto (First,Second) VALUES ($a,$equal{$a})");
94: }
95:
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