RosettaCodeData/Task/Base64-decode-data/Zkl/base64-decode-data-2.zkl

msg,b64 := "Rosetta Code Base64 decode data task", MsgHash.base64encode(msg);
println("Original: %s\nEncoded:  %s\nBytes:    %s\nDecoded:  %s"
   .fmt(msg, b64.text, b64.bytes().apply("toString",16).concat(","),
        MsgHash.base64decode(b64).text));