From a242bc42e2a914d4cf9a8223563e2f6cce0f7feb Mon Sep 17 00:00:00 2001
From: itec78 <itec78@gmail.com>
Date: Sat, 29 Jul 2023 15:36:50 +0200
Subject: [PATCH] mac2banana

---
 bananalime.lua | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 bananalime.lua

diff --git a/bananalime.lua b/bananalime.lua
new file mode 100755
index 0000000..fe4cb9a
--- /dev/null
+++ b/bananalime.lua
@@ -0,0 +1,42 @@
+#!/usr/bin/lua
+
+function mac2banana(mac)
+    v = tonumber(string.sub(table.concat(mac,""),-6),16)
+    minlength = 8
+
+    alphabets = {{"b","c","d","f","g","l","m","n","p","r","s","t","v","z"}, {"a","e","i","o","u"}};
+    shiftalpha = 0
+    alphaend = 0
+
+    numalpha = #alphabets
+    st = ""
+    length = 0
+    idx = (numalpha - 1 + shiftalpha + alphaend) % numalpha
+    while (not (v == 0 and idx == (numalpha - 1 + shiftalpha) % numalpha and length >= minlength))
+    do
+        al = alphabets[idx + 1]
+        r = v % #al
+        v = math.floor(v / #al)
+        st = al[r + 1] .. st
+
+        idx = (idx + numalpha - 1) % numalpha;
+        length = length + 1
+    end
+
+    return st
+end
+
+
+
+-- mac = {"4c","34","88","88","5e","e6"}
+-- mac = {"50","7b","9d","38","a3","bc"}
+mac = {"18","d6","c7","95","41","c3"}
+
+template = "Lime-%M4%M5%M6"
+for i=1,6,1 do template = template:gsub("%%M"..i, mac[i]) end
+print(template)
+
+local macbanana = mac2banana(mac)
+template = "Lime-%B8"
+for i=4,8,2 do template = template:gsub("%%B"..i, string.sub(macbanana, -i)) end
+print(template)