Text to Binary and Back Conversion in Ruby

Question

I have a string that was placed into an array and turned into binary using .pack('B*'). How do I convert that binary data back into a string? .unpack('H*') is not the solution here, it returns a string of gibberish.

stackoverflow.com/questions/515478/… . I think this answers your question. — João Vilaça
– João Vilaça, Commented May 30, 2015 at 13:55
unpack('H*') is not the solution here, it returns a string of gibberish. — bf86
– bf86, Commented May 30, 2015 at 14:22

Amit Sharma · Accepted Answer · 2015-05-30 16:22:54Z

0

I have tried this in my Rails Console and got the following. I hope this will help you.

a = "Hello".unpack("B*")

## Output
["0100100001100101011011000110110001101111"]

a.pack("B*")

## Output
"Hello"

a = "Hello".unpack("H*")

## Output
["48656c6c6f"]

a.pack("H*")

## Output
"Hello"

answered May 30, 2015 at 16:22

Amit Sharma

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