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ruby--ruby/sample/occur2.rb
yugui 7844ea1c64 * sample/occur2.rb: reimplemented in modern style. [ruby-dev:39927].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26188 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2009-12-28 09:14:14 +00:00

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Ruby

# word occurrence listing
# usege: ruby occur2.rb file..
freq = {}
ARGF.each_line do |line|
for word in line.split(/\W+/)
freq[word] ||= 0
freq[word] += 1
end
end
for word in freq.keys.sort
printf("%s -- %d\n", word, freq[word])
end