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util/hex.lua @ 6457:ddcb29a35409
mod_admin_adhoc: Show IP in detailed version of online user listing
author | Florian Zeitz <florob@babelmonkeys.de> |
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date | Sun, 28 Sep 2014 21:06:50 +0200 |
parent | 6384:3f4809d01783 |
child | 6545:ec566d7cd518 |
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local s_char = string.char; local function char_to_hex(c) return ("%02x"):format(c:byte()) end local function hex_to_char(h) return s_char(tonumber(h, 16)); end local function to(s) return s:gsub(".", char_to_hex); end local function from(s) return s:gsub("..", hex_to_char); end return { to = to, from = from }