How to convert a string to hexadecimal system?

M

MDtox2018-01-17 10:49:44

ruby

MDtox, 2018-01-17 10:49:44

I don't get out. Outputs 0 in output

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jj_killer, 2018-01-17
@jj_killer

"string".each_byte.map { |b| b.to_s(16) }.join
# или так
"string".unpack('H*').first

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