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Caesar cipher using Ruby
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ALPHABET_SIZE = 26 | |
def caesar_cipher(string) | |
shiftyArray = [] | |
charLine = string.chars.map(&:ord) | |
shift = 1 | |
ALPHABET_SIZE.times do |shift| | |
shiftyArray << charLine.map do |c| | |
((c + shift) < 123 ? (c + shift) : (c + shift) - 26).chr | |
end.join | |
end | |
shiftyArray | |
end | |
puts caesar_cipher("testing") |
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def caesar_cipher(string, shift = 1) | |
alphabet = Array('a'..'z') | |
encrypter = Hash[alphabet.zip(alphabet.rotate(shift))] | |
string.chars.map { |c| encrypter.fetch(c, " ") } | |
end | |
p caesar_cipher("testing").join |
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def caesar_cipher(string, shift = 1) | |
alphabet = Array('a'..'z') | |
non_caps = Hash[alphabet.zip(alphabet.rotate(shift))] | |
alphabet = Array('A'..'Z') | |
caps = Hash[alphabet.zip(alphabet.rotate(shift))] | |
encrypter = non_caps.merge(caps) | |
string.chars.map { |c| encrypter.fetch(c, c) } | |
end | |
p caesar_cipher("testingzZ1Z").join |
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