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+// Mart Lubbers s4109503, Camil Staps s4498062
+
+module GetallenRaden
+
+import StdEnv
+import StdDynamic, StdDynamicFileIO
+import StdFileSelect
+
+// Example generation program
+//fib :: [Int]
+//fib = [fib` i \\ i <- [0..]]
+//	where 
+//		fib` 0 = 0
+//		fib` 1 = 1
+//		fib` n = fib` (n-1) + fib` (n-2)
+//
+//Start :: *World -> (Bool, *World)
+//Start world = writeDynamic "fib" (dynamic fib) world
+
+makeSeq :: Dynamic -> [Int]
+makeSeq (x :: [Int]) = x
+makeSeq _ = abort "You selected a file not containing a sequence"
+
+basename :: String Int -> String
+basename s 0 = toString s.[0]
+basename s n = let c = toString s.[n] in if (c == "\\") "" ((basename s (n-1)) +++ c)
+
+loadSeq :: String *World -> *([Int], String, *World)
+loadSeq s world
+# s = let l = size s in s % (0, l-5)
+# (ok, dyn, world) = readDynamic s world
+| not ok = abort "You didn't select a dynamic file"
+| otherwise = (makeSeq dyn, basename s ((size s)-1), world)
+
+play :: *File String [Int] Int Int -> *File
+play io _ _ _ 5 = io <<< "Congratulations, you had 5 correct answers\n"
+play io seqname [nextnum:sequence] currentnum correct
+# io = io <<< (seqname +++ "[" +++ toString currentnum +++ "] = " +++ toString nextnum +++ "\n")
+# (ok, guessednumber, io) = freadi io
+| not ok = play (snd (freadline io)) seqname sequence (currentnum + 1) correct
+# (io, correct) = if (guessednumber == hd sequence) (io, correct+1) (io <<< "Incorrect...\n", correct) 
+= play (snd (freadline io)) seqname sequence (currentnum + 1) correct
+
+Start :: *World -> *World
+Start world
+# (inputfilepath, world) = selectInputFile world
+| isNothing inputfilepath = abort "Please select a file"
+# (sequence, sequencename, world) = loadSeq (fromJust inputfilepath) world
+# (io, world) = stdio world
+# io = (play io sequencename sequence 0 0) <<< "Press any key to close"
+# (_, world) = fclose io world
+= world