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Task/Odd-word-problem/Scheme/odd-word-problem.ss

@@ -0,0 +1,19 @@
+(define (odd)
+  (let ((c (read-char)))
+    (if (char-alphabetic? c)
+      (let ((r (odd)))
+	(write-char c)
+	r)
+      (lambda () (write-char c) (char=? c #\.)))))
+
+(define (even)
+  (let ((c (read-char)))
+    (write-char c)
+    (if (char-alphabetic? c)
+      (even)
+      (char=? c #\.))))
+
+(let loop ((i #f))
+  (if (if i ((odd)) (even))
+    (exit)
+    (loop (not i))))