Day 01

day01.groovy

@@ -0,0 +1,35 @@
+def input = new File("input/day01.txt").readLines();
+
+def numberMapping = [
+    "one": "1", 
+    "two": "2",
+    "three": "3",
+    "four": "4",
+    "five": "5",
+    "six": "6",
+    "seven": "7",
+    "eight": "8",
+    "nine": "9",
+];
+
+def numbers = input.collect { value ->
+    def digits1 = [];
+    def digits2 = [];
+    for (def i = 0; i < value.length(); i++) {
+        def rem = value[i..-1];
+        if (rem[0] =~ /[0-9]/) {
+            digits1 << rem[0];
+        }
+        rem = rem.replace(numberMapping);
+        if (rem[0] =~ /[0-9]/) {
+            digits2 << rem[0];
+        }
+    }
+    return [
+        (digits1[0] + "" + digits1[-1]).toInteger(),
+        (digits2[0] + "" + digits2[-1]).toInteger(),
+    ];
+};
+
+numbers.inject([0, 0]) { result, i -> [result[0] + i[0], result[1] + i[1]] }
+    .each { n -> println n };