worked on mining room app. But isn't finished yet

Mining_Things/mining_room.lua

@@ -0,0 +1,50 @@
+os.loadAPI("modules.lua")
+
+print("How long should I dig?")
+local length = read()
+print("How wide should I dig?")
+local width = read()
+print("How high should I dig?")
+local height = read()
+
+local front = true
+for i = 1, width do
+  for j = 1, height do
+    for k = 1, length do
+      modules.check_fuel()
+      turtle.dig()
+      turtle.forward()
+    end
+    if j ~= height do
+      modules.check_fuel()
+      turtle.digUp()
+      turtle.up()
+    end
+    turtle.turnLeft()
+    turtle.turnLeft()
+    front = not front
+  end
+  for tdown = 1, height do
+    modules.check_fuel()
+    turtle.down()
+  end
+  turtle.turnLeft()
+  turtle.turnLeft()
+  if not front then
+    for tfront = 1, length do
+      modules.check_fuel()
+      turtle.forward()
+    end
+  end
+  turtle.turnRight()
+  for twidth = 1, width -1 do
+    turtle.forward()
+  end
+  turtle.turnLeft()
+  modules.puke()
+  turtle.turnLeft()
+  for twidth = 1, width do
+    turtle.forward()
+  end
+  turtle.turnLeft()
+end

Modules/modules.lua

@@ -220,3 +220,4 @@ function check_fuel()
       refueled = true
     end
   end
+end