HEX

local f = io.open("test.lua", "rb")
local block = 16
for bytes in f:lines(block) do
    for c in string.gmatch(bytes, ".")do
        io.write(string.format("%02X ", string.byte(c)))
    end
    io.write (string.rep(" ", block - string.len (bytes)))
    --io.write(" ", string.gsub(bytes, "%c", "\n"))
    io.write("\n")
end