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ruby--ruby/sample/occur.rb
knu c37140b351 Be consistent on the use of the implicit $_.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3185 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2002-12-19 20:45:24 +00:00

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Ruby

# word occurrence listing
# usege: ruby occur.rb file..
freq = Hash.new(0)
while gets()
for word in split(/\W+/)
freq[word] += 1
end
end
for word in freq.keys.sort!
print word, " -- ", freq[word], "\n"
end