diff -r e85600529ca5 -r 4794759139ea scala/app2.scala
--- a/scala/app2.scala	Sat Jun 15 09:11:11 2013 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,16 +0,0 @@
-val http_pattern = """\"https?://[^\"]*\"""".r
-
-def unquote(s: String) = s.drop(1).dropRight(1)
-
-def get_all_URLs(page: String) : Set[String] = {
-  (http_pattern.findAllIn(page)).map { unquote(_) }.toSet
-}
-
-def crawl(url: String, n: Int) : Unit = {
-  if (n == 0) ()
-  else {
-    println("Visiting: " + n + " " + url)
-    for (u <- get_all_URLs(get_page(url))) crawl(u, n - 1)
-  }
-}
-