Data commit

Task/Substitution-cipher/MiniScript/substitution-cipher.mini

@@ -0,0 +1,24 @@
+alphabet = "abcdefghijklmnopqrstuvwxyz".split("")
+cipher = alphabet[0:]
+cipher.shuffle
+encode = {}
+decode = {}
+for i in alphabet.indexes
+    encode[alphabet[i]] = cipher[i]
+    decode[cipher[i]] = alphabet[i]
+    encode[alphabet[i].upper] = cipher[i].upper
+    decode[cipher[i].upper] = alphabet[i].upper
+end for
+
+apply = function(map, s)
+    chars = s.split("")
+    for i in chars.indexes
+        if map.hasIndex(chars[i]) then chars[i] = map[chars[i]]
+    end for
+    return chars.join("")
+end function
+
+msg = "Now is the time for all good men (and women) to come together."
+secretCode = apply(encode, msg)
+print secretCode
+print apply(decode, secretCode)