diff -r e85600529ca5 -r 4794759139ea scala/app4.scala
--- a/scala/app4.scala	Sat Jun 15 09:11:11 2013 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,14 +0,0 @@
-val http_pattern = """\"https?://[^\"]*\"""".r
-val my_urls = """urbanc""".r
-val email_pattern = 
-  """([a-z0-9_\.-]+)@([\da-z\.-]+)\.([a-z\.]{2,6})""".r
-
-def crawl(url: String, n: Int) : Unit = {
-  if (n == 0) ()
-  else {
-    println("Visiting: " + n + " " + url)
-    val page = get_page(url)
-    println(email_pattern.findAllIn(page).mkString("\n"))
-    for (u <- get_all_URLs(page)) crawl(u, n - 1)
-  }
-}