unified stdin/file solving

bin/solve_file.py

@@ -1,6 +0,0 @@
-import sys
-
-from maze import parse_maze
-
-m = parse_maze(open(sys.argv[1], 'r').read())
-print m.solve()

bin/solve_maze.py

@@ -2,5 +2,8 @@ import sys
 
 from maze import parse_maze
 
-m = parse_maze(sys.stdin.read())
+if len(sys.argv) == 2:
+    m = parse_maze(open(sys.argv[1], 'r').read())
+else:
+    m = parse_maze(sys.stdin.read())
 print m.solve()