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rubyでbin2hexとhex2bin

Ruby

Last updated at 2021-11-21Posted at 2021-11-21

phpのhex2binとbin2hexに該当する処理をrubyでぱっと実現。

def hex2bin(value)
  [value].pack "H*"
end

def bin2hex(value)
  value.unpack "H*"
end

参考

https://stackoverflow.com/questions/5244414/shortest-hex2bin-in-ruby

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