| #!/usr/bin/perl |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| # Takes a corpus of words on STDIN and builds a vocabulary with word |
| # counts, writing them to STDOUT in the format |
| # |
| # ID WORD COUNT |
| |
| use utf8; |
| use warnings; |
| use strict; |
| |
| binmode(STDIN, ":utf8"); |
| binmode(STDOUT, ":utf8"); |
| |
| my %count; |
| while (my $line = <>) { |
| chomp($line); |
| my @tokens = split(' ', $line); |
| map { $count{$_}++ } @tokens; |
| } |
| |
| my $id = 1; |
| map { print $id++ . " $_ $count{$_}\n" } (sort { $count{$b} <=> $count{$a} } keys %count); |