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nmarley/reverse-hex.rb

Last active July 2, 2019 12:56
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Ruby reverse bytes in hex string (endianness)
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reverse-hex.rb
# Ruby reverse bytes in hex string (endianness)
def flip_bytes(hex)
return hex.scan(/../).reverse.join('')
end
hs = "e0028eb9648db56b1ac77cf090b99048a8007e2bb64b68f092c03c7f56a662c7"
puts flip_bytes(hs)
# => "c762a6567f3cc092f0684bb62b7e00a84890b990f07cc71a6bb58d64b98e02e0"
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