From a31e57a3e70fd56ee94be39e9ca831ca1972b4eb Mon Sep 17 00:00:00 2001
From: michelou <michelou@epfl.ch>
Date: Mon, 4 Jun 2007 16:53:55 +0000
Subject: fixed methods 'urls'

---
 src/compiler/scala/tools/nsc/MainGenericRunner.scala | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/compiler/scala/tools/nsc/MainGenericRunner.scala b/src/compiler/scala/tools/nsc/MainGenericRunner.scala
index 53ae8cc793..c5b903066f 100644
--- a/src/compiler/scala/tools/nsc/MainGenericRunner.scala
+++ b/src/compiler/scala/tools/nsc/MainGenericRunner.scala
@@ -102,10 +102,12 @@ object MainGenericRunner {
       catch { case e => Console.println(e); None }
 
     def urls(specs: String): List[URL] = {
-      val urls = for (
-        spec <- specs.split(" ").toList;
-        val url = specToURL(spec); if !url.isEmpty
-      ) yield url.get
+      val urls =
+        if (specs == null || specs.length == 0) Nil
+        else for (
+          spec <- specs.split(" ").toList;
+          val url = specToURL(spec); if !url.isEmpty
+        ) yield url.get
       if (!urls.isEmpty && (System.getSecurityManager == null)) {
         // Here we require a security manager to be present !
         // Security permissions are defined in a user-defined
-- 
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