From: Francis Russell <francis@unchartedbackwaters.co.uk>
Date: Tue, 20 Dec 2011 19:58:46 +0000 (+0000)
Subject: Handle missing input file.
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=2395e6bb3a8523e18f539e6de9779a6216e0dee8;p=francis%2Fofc.git

Handle missing input file.
---

diff --git a/src/ofc/OFC.scala b/src/ofc/OFC.scala
index 9653e70..5289ecd 100644
--- a/src/ofc/OFC.scala
+++ b/src/ofc/OFC.scala
@@ -5,7 +5,10 @@ import parser.{Parser,Statement,ParseException}
 object OFC extends Parser {
 
   def main(args: Array[String]) {
-    if (args.isEmpty) throw new IllegalArgumentException("Unspecified input file.")
+    if (args.isEmpty) {
+      Console.err.println("Specify input file.")
+      System.exit(1)
+    }
 
     val reader = new FileReader(args(0))