Data commit

Task/Soundex/Kotlin/soundex.kotlin

@@ -0,0 +1,48 @@
+// version 1.1.2
+
+fun getCode(c: Char) = when (c) {
+    'B', 'F', 'P', 'V' -> "1"
+    'C', 'G', 'J', 'K', 'Q', 'S', 'X', 'Z' -> "2"
+    'D', 'T' -> "3"
+    'L' -> "4"
+    'M', 'N' -> "5"
+    'R' -> "6"
+    'H', 'W' -> "-"
+    else -> ""
+}
+
+fun soundex(s: String): String {
+    if (s == "") return ""
+    val sb = StringBuilder().append(s[0].toUpperCase())
+    var prev = getCode(sb[0])
+    for (i in 1 until s.length) {
+        val curr = getCode(s[i].toUpperCase())
+        if (curr != "" && curr != "-" && curr != prev) sb.append(curr)
+        if (curr != "-") prev = curr
+    }
+    return sb.toString().padEnd(4, '0').take(4)
+}
+
+fun main(args: Array<String>) {
+    val pairs = arrayOf(
+        "Ashcraft"  to "A261",
+        "Ashcroft"  to "A261",
+        "Gauss"     to "G200",
+        "Ghosh"     to "G200",
+        "Hilbert"   to "H416",
+        "Heilbronn" to "H416",
+        "Lee"       to "L000",
+        "Lloyd"     to "L300",
+        "Moses"     to "M220",
+        "Pfister"   to "P236",
+        "Robert"    to "R163",
+        "Rupert"    to "R163",
+        "Rubin"     to "R150",
+        "Tymczak"   to "T522",
+        "Soundex"   to "S532",
+        "Example"   to "E251"
+    )
+    for (pair in pairs) {
+        println("${pair.first.padEnd(9)} -> ${pair.second} -> ${soundex(pair.first) == pair.second}")
+    }
+}