(Ruby) Decode utf-8 Hex to a String

Converts a hex-encoded utf-8 bytes to a string.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'


# Note: We'll want to tell Chilkat that we're passing in utf-8 strings, and we wish to receive utf-8 "const char *" strings.
# See Global utf-8
glob = Chilkat::CkGlobal.new()
glob.put_DefaultUtf8(true)

sb = Chilkat::CkStringBuilder.new()

# Append the hex.  The hex can be uppercase hex or lowercase hex, it doesn't matter.
success = sb.Append("D79ED795D7A6D7A8")

# Notice the above string contains Hebrew chars using the utf-8 byte representation.
# See https://www.loc.gov/marc/specifications/codetables/BasicHebrew.html
# For example:  D79E is the HEBREW LETTER MEM

# Therefore, when we decode to binary bytes, we must interpret the bytes as utf-8
# to get characters.

# Tell Chilkat to URL decode like this:
success = sb.Decode("hex","utf-8")

# sb now contains the decoded string.
print sb.getAsString() + "\n";