Index: md5sum.c
===================================================================
RCS file: /cvsroot/coreutils/coreutils/src/md5sum.c,v
retrieving revision 1.138
diff -u -r1.138 md5sum.c
--- md5sum.c	11 Jul 2005 18:29:44 -0000	1.138
+++ md5sum.c	18 Jul 2005 18:29:45 -0000
@@ -615,16 +615,11 @@
 
   if (do_check)
     {
-      if (optind + 1 < argc)
-	{
-	  error (0, 0, _("extra operand %s"), quote (argv[optind + 1]));
-	  fprintf (stderr, "%s\n",
-		   _("Only one operand may be specified when using --check."));
-	  usage (EXIT_FAILURE);
-	}
+      if (optind == argc)
+	argv[argc++] = "-";
 
-      ok = digest_check (optind == argc ? "-" : argv[optind],
-			 DIGEST_STREAM (algorithm));
+      for (; optind < argc; ++optind)
+        ok &= digest_check (argv[optind], DIGEST_STREAM (algorithm));
     }
   else
     {