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MBM1607/ceaser_cipher.rb

Created February 25, 2021 06:00
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Odin Project Ruby Ceaser Cipher
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ceaser_cipher.rb
def caesar_cipher(message, shift)
split_message = message.split("").map do |letter|
# If letter is not an alphabet do not change it
if letter.downcase.ord < 97 or letter.downcase.ord > 128
letter
else
code = letter.ord + shift
if (letter == letter.upcase && code > 90) || (letter == letter.downcase && code > 122)
code -= 26
end
code.chr
end
end
return split_message.join("")
end
puts caesar_cipher("What a string!", 5)
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