Read day 25 input

Author: fwcd

day25/src/day25.swift

@@ -0,0 +1,10 @@
+import Foundation
+
+let args = CommandLine.arguments
+if args.count == 1 {
+  print("Usage: \(args[0]) <path to input>")
+  exit(1)
+}
+
+let rawInput = try String(contentsOfFile: args[1], encoding: .utf8)
+print("Input: \(rawInput)")