Data commit

Task/Substitution-cipher/Sidef/substitution-cipher.sidef

@@ -0,0 +1,27 @@
+module SubstitutionCipher {
+
+    const key = %c"]kYV}(!7P$n5_0i R:?jOWtF/=-pe'AD&@r6%ZXs\"v*N[#wSl9zq2^+g;LoB`aGh{3.HIu4fbK)mU8|dMET><,Qc\\C1yxJ"
+
+    func encode(String s) {
+        var r = ""
+        s.each {|c|
+            r += key[c.ord - 32]
+        }
+        return r
+    }
+
+    func decode(String s) {
+        var r = ""
+        s.each {|c|
+            r += (key.first_index { _ == c } + 32 -> chr)
+        }
+        return r
+    }
+}
+
+
+with ("The quick brown fox jumps over the lazy dog, who barks VERY loudly!") { |s|
+    var enc = SubstitutionCipher::encode(s)
+    var dec = SubstitutionCipher::decode(enc)
+    say("Original: ", s, "\n -> Encoded: ", enc, "\n -> Decoded: ", dec)
+}