Data commit

Task/Longest-string-challenge/Groovy/longest-string-challenge-1.groovy

@@ -0,0 +1,20 @@
+def longer = { a, b ->
+    def aa = a, bb = b
+    while (bb && aa) {
+        bb = bb.substring(1)
+        aa = aa.substring(1)
+    }
+    aa ? a : b
+}
+
+def longestStrings
+longestStrings = { BufferedReader source, String longest = '' ->
+    String current = source.readLine()
+    def finalLongest = current == null \
+        ? longest \
+        : longestStrings(source,longer(current,longest))
+    if (longer(finalLongest, current) == current) {
+        println current
+    }
+    return finalLongest
+}

Task/Longest-string-challenge/Groovy/longest-string-challenge-2.groovy

@@ -0,0 +1,9 @@
+def source = new BufferedReader(new StringReader('''a
+bb
+ccc
+ddd
+ee
+f
+ggg'''))
+
+longestStrings(source)