Annotation of db/prgsrc/eq/findequal.pl, revision 1.3
1.1 roma7 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: print "Creating equalto table...\n";
38:
39: mydo("CREATE TABLE equalto (
40: First INT UNSIGNED NOT NULL PRIMARY KEY, KEY FirstKey (First),
41: Second INT UNSIGNED NOT NULL, KEY SecondKey (Second)
42: )")
43:
44: or die "Can't create equalto table: $!\n";
45:
46:
47:
48: getbase(QuestionId,Question);
49:
50:
51:
52: print "Loading questions...\n";
53:
1.2 roma7 54: #if ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
1.1 roma7 55:
56: while ((($id, $a) = getrow), $id)
57: {
58: if (!($id%1000)) {print "$id questions loaded...\n"}
59:
60: $a=~s/³£pPHXxAaBEe3KMoOT/åÅÒòîèÈáÁ÷åÅúëíÏïô/;
61: $a=uc $a;
62:
1.3 ! roma7 63: $a=~s/[^êãõëåîçûýúèÿüöäìïòðá÷ùæñþóíéôøâàÊÃÕËÅÎÇÛÝÚÈßÆÙ×ÁÐÒÏÌÄÖÜÑÞÓÍÉÔØÂÀ]//g;
1.1 roma7 64: $ar[$id]=$a;
65: $last=$id;
66: }
67:
68:
69:
70: print "Checking...\n";
71:
72: $cur=0;
73: $ar[0]="\0";
74: foreach $q (sort {($ar[$a] cmp $ar[$b])} 1..$last)
75: {
76: if ($ar[$q] eq $ar[$cur]) {$equal{$q}=$cur} else {$cur=$q}
77: }
78:
79: print scalar keys %equal, " pairs found\n";
80:
81: print("Updating the DB...\n");
82:
83: foreach $a (keys %equal)
84: {
85: mydo("INSERT INTO equalto (First,Second) VALUES ($a,$equal{$a})");
86: }
87:
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