--- inkscape-0.48.3.1/src/main.cpp.orig	2012-04-18 20:25:28.000000000 +0200
+++ inkscape-0.48.3.1/src/main.cpp	2012-04-19 17:42:14.731534000 +0200
@@ -986,12 +986,13 @@ sp_main_gui(int argc, char const **argv)
 }
 
 /**
  * Process file list
  */
-void sp_process_file_list(GSList *fl)
+int sp_process_file_list(GSList *fl)
 {
+    int retVal = 0;
     while (fl) {
         const gchar *filename = (gchar *)fl->data;
 
         SPDocument *doc = NULL;
         try {
@@ -1011,10 +1012,11 @@ void sp_process_file_list(GSList *fl)
                 doc = NULL;
             }
         }
         if (doc == NULL) {
             g_warning("Specified document %s cannot be opened (does not exist or not a valid SVG file)", filename);
+            retVal++;
         } else {
             if (sp_vacuum_defs) {
                 vacuum_document(doc);
             }
             if (sp_vacuum_defs && !sp_export_svg) {
@@ -1060,10 +1062,11 @@ void sp_process_file_list(GSList *fl)
 
             delete doc;
         }
         fl = g_slist_remove(fl, fl->data);
     }
+    return retVal;
 }
 
 /**
  * Run the application as an interactive shell, parsing command lines from stdin
  * Returns -1 on error.
@@ -1115,19 +1118,21 @@ int sp_main_shell(char const* command_na
                     if ( g_shell_parse_argv(command_line, &argc, &argv, &parseError) ) {
                         poptContext ctx = poptGetContext(NULL, argc, const_cast<const gchar**>(argv), options, 0);
                         poptSetOtherOptionHelp(ctx, _("[OPTIONS...] [FILE...]\n\nAvailable options:"));
                         if ( ctx ) {
                             GSList *fl = sp_process_args(ctx);
-                            sp_process_file_list(fl);
+                            if (sp_process_file_list(fl))
+			        retval = -1;
                             poptFreeContext(ctx);
                         } else {
                             retval = 1; // not sure why. But this was the previous return value
                         }
                         resetCommandlineGlobals();
                         g_strfreev(argv);
                     } else {
                         g_warning("Cannot parse commandline: %s", useme);
+			retval = -1;
                     }
                 }
             }
         } // if (linedata...
     } while (linedata && (retval == 0));
@@ -1160,14 +1165,15 @@ int sp_main_console(int argc, char const
     }
 
     inkscape_application_init(argv[0], false);
 
     if (sp_shell) {
-        sp_main_shell(argv[0]); // Run as interactive shell
-        exit(0);
+        int retVal = sp_main_shell(argv[0]); // Run as interactive shell
+	exit((retVal < 0) ? 1 : 0);
     } else {
-        sp_process_file_list(fl); // Normal command line invokation
+        int retVal = sp_process_file_list(fl); // Normal command line invokation
+	if (retVal) exit(1);
     }
 
     return 0;
 }