minor - use System.err for error messages

diff --git a/src/com/quemaster/transformations/mjc2wsl/mjc2wsl.java b/src/com/quemaster/transformations/mjc2wsl/mjc2wsl.java
index 3eac782..68fd2a1 100644 (file)
--- a/src/com/quemaster/transformations/mjc2wsl/mjc2wsl.java
+++ b/src/com/quemaster/transformations/mjc2wsl/mjc2wsl.java
@@ -832,13 +832,13 @@ public class mjc2wsl{
                        }
 
                        if (i >= args.length) {
-                               System.out.println("no filename supplied");
+                               System.err.println("no filename supplied");
                                System.exit(2);
                        }
 
                        Path p = FileSystems.getDefault().getPath(args[i]);
                        if (!Files.exists(p)){
-                               System.out.println("input file does not exist");
+                               System.err.println("input file does not exist");
                                System.exit(1);
                        }