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Count Characters
// Sample Output, "character (byte) occurs n times", 32 = space
// s (115) occurs 3 times
// n (110) occurs 1 times
// ..
// (32) occurs 3 times
class Counter
def initialize()
@characters = Hash.new(0)
end
def read()
@text = IO.read("text.txt")
end
def count_chars
@text.each_byte do |ch|
@characters[ch] +=1
end
end
def report
@characters.each do |key, value|
puts "#{key.chr} (#{key}) occurs #{value} times"
end
end
end
// usage
count = Counter.new() count.read count.count_chars count.report
