40 lines
924 B
Perl
Executable file
40 lines
924 B
Perl
Executable file
#!/usr/bin/perl -w
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use DBI;
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$database = 'yolanda';
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$dbhost = 'localhost';
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$dbuser = 'root';
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$dbpass = '';
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$dbh = DBI->connect("DBI:mysql:$database:$dbhost", $dbuser, $dbpass);
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$sth = $dbh->prepare("select subject from videos");
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$sth->execute();
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#cycle through all video subjects
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while(($subject) = $sth->fetchrow_array())
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{
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@subject = split(' ', $subject);
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#cycle through all tags of video
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foreach my $val (@subject)
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{
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#strip whitespaces
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$val =~ s/^\s*(.*?)\s*$/$1/;
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if(length($val) >= 4)
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{
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%hash->{$val}++;
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}
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}
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}
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$sth->finish();
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#sort by count
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@sorted = sort {$hash{$b} cmp $hash{$a}} keys %hash;
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$dbh->do("delete from tagcloud");
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$sth = $dbh->prepare("insert into tagcloud (text, count) values (?, ?)");
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#insert first 20 tags into tagcloud table
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for($i=0;$i<20 and $i<=$#sorted;$i++)
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{
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$sth->execute( $sorted[$i], %hash->{$sorted[$i]} );
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}
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