hex.lua
#!/usr/bin/env eco local hex = require 'eco.encoding.hex' local src = '48656c6c6f2c2065636f21' local dst, err = hex.decode(src) if not dst then print('decode fail:', err) return end print(dst) print(hex.encode(dst)) print('dump:') print(hex.dump('Lua-eco is a coroutine-first runtime environment for Lua 5.4.'))