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    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 ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
   36: 
   37: print "before checktable";
   38: 
   39: 
   40: if (checktable('equalto')) {die "The table equalto exists. You must delete it first!\n"};
   41: 
   42: if ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
   43: 
   44: print "before mydo";
   45: 
   46: 
   47: print "Creating equalto table...\n";
   48: 
   49: 	mydo("CREATE TABLE equalto (
   50: 		First   INT UNSIGNED NOT NULL PRIMARY KEY, KEY FirstKey (First),
   51: 		Second  INT UNSIGNED NOT NULL, KEY SecondKey (Second)
   52: 	)")
   53: 
   54: 	or die "Can't create equalto table: $!\n";
   55: 
   56: 
   57: if ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
   58: print "before getbase";
   59: 
   60: getbase(QuestionId,Question);
   61: 
   62: 
   63: print "after getbase";
   64: 
   65: print "Loading questions...\n";
   66: 
   67: if ((uc 'Á') ne 'á') {die "!Koi8-r locale not installed!\n"};
   68: 
   69: while ((($id, $a) = getrow), $id) 
   70: {
   71:         if (!($id%1000)) {print "$id questions loaded...\n"}
   72: 
   73:         $a=~s/³£pPHXxAaBEe3KMoOT/åÅÒòîèÈáÁ÷åÅúëíÏïô/;
   74:         $a=uc $a;
   75: 
   76:  	$a=~s/[^êãõëåîçûýúèÿüöäìïòðá÷ùæñþóíéôøâàÊÃÕËÅÎÇÛÝÚÈßÆÙ×ÁÐÒÏÌÄÖÜÑÞÓÍÉÔØÂÀ]//g;
   77:  	$ar[$id]=$a;
   78:  	$last=$id;
   79: }
   80: 
   81: 
   82: 
   83: print "Checking...\n";
   84: 
   85: $cur=0;
   86: $ar[0]="\0";
   87: foreach $q (sort {($ar[$a] cmp $ar[$b])} 1..$last)
   88: {
   89:   if ($ar[$q] eq $ar[$cur]) {$equal{$q}=$cur} else {$cur=$q} 
   90: }
   91: 
   92: print scalar keys %equal, " pairs found\n";
   93: 
   94: print("Updating the DB...\n");
   95: 
   96: foreach $a (keys %equal)
   97: {
   98:   mydo("INSERT INTO equalto (First,Second) VALUES ($a,$equal{$a})");
   99: }
  100: