day 1

01/main.lua

@@ -0,0 +1,30 @@
+input = {};
+
+for line in io.lines("./input.txt") do
+  table.insert(input, line)
+end
+
+parsed = {};
+
+for key, value in pairs(input) do
+  local alphastrip = string.gsub(value, "[%a]", "");
+
+  if string.len(alphastrip) == 1 then
+    local doubled = alphastrip .. alphastrip;
+    table.insert(parsed, doubled);
+  elseif string.len(alphastrip) == 2 then
+    table.insert(parsed, alphastrip);
+  else
+    local digitstrip = string.match(alphastrip, "%d", 1) .. string.match(alphastrip, "%d", -1);
+    table.insert(parsed, digitstrip);
+    --print(digitstrip);
+  end
+end
+
+result = 0;
+
+for key, value in pairs(parsed) do
+  result = value + result;
+end
+
+print(result);