author | Kim Alvefur <zash@zash.se> |
Sat, 31 Aug 2019 16:08:45 +0200 | |
branch | 0.11 |
changeset 10234 | dd7e924c74ef |
parent 6805 | 442019e955dc |
child 12359 | a0ff5c438e9d |
permissions | -rw-r--r-- |
local s_char = string.char; local s_format = string.format; local s_gsub = string.gsub; local s_lower = string.lower; local char_to_hex = {}; local hex_to_char = {}; do local char, hex; for i = 0,255 do char, hex = s_char(i), s_format("%02x", i); char_to_hex[char] = hex; hex_to_char[hex] = char; end end local function to(s) return (s_gsub(s, ".", char_to_hex)); end local function from(s) return (s_gsub(s_lower(s), "%X*(%x%x)%X*", hex_to_char)); end return { to = to, from = from }