Index: dump.8
===================================================================
--- dump.8	(revision 342383)
+++ dump.8	(working copy)
@@ -38,7 +38,7 @@
 .Nd file system backup
 .Sh SYNOPSIS
 .Nm
-.Op Fl 0123456789acLnrRSu
+.Op Fl 0123456789acLnrRSuy
 .Op Fl B Ar records
 .Op Fl b Ar blocksize
 .Op Fl C Ar cachesize
@@ -210,6 +210,9 @@
 Subject to the media size specified by
 .Fl B ,
 each volume is written in this manner as if the output were a tape drive.
+.It Fl y
+Do not wait for confirmation after each volume.
+This is useful for automated scripts without human intervention.
 .It Fl h Ar level
 Honor the user
 .Dq nodump
Index: dump.h
===================================================================
--- dump.h	(revision 342383)
+++ dump.h	(working copy)
@@ -80,6 +80,7 @@
 int	rsync_friendly;	/* be friendly with rsync */
 
 int	notify;		/* notify operator flag */
+int	skip_vol_query;	/* skip operator query on volume change */
 int	blockswritten;	/* number of blocks written on current tape */
 int	tapeno;		/* current tape number */
 time_t	tstart_writing;	/* when started writing the first tape block */
Index: main.c
===================================================================
--- main.c	(revision 342383)
+++ main.c	(working copy)
@@ -74,6 +74,7 @@
 #include "pathnames.h"
 
 int	notify = 0;	/* notify operator flag */
+int	skip_vol_query = 0;	/* skip operator query on volume change */
 int	snapdump = 0;	/* dumping live filesystem, so use snapshot */
 int	blockswritten = 0;	/* number of blocks written on current tape */
 int	tapeno = 0;	/* current tape number */
@@ -122,7 +123,7 @@
 
 	obsolete(&argc, &argv);
 	while ((ch = getopt(argc, argv,
-	    "0123456789aB:b:C:cD:d:f:h:LnP:RrSs:T:uWw")) != -1)
+	    "0123456789aB:b:C:cD:d:f:h:LnP:RrSs:T:uWwy")) != -1)
 		switch (ch) {
 		/* dump level */
 		case '0': case '1': case '2': case '3': case '4':
@@ -221,6 +222,10 @@
 			uflag = 1;
 			break;
 
+		case 'y':
+			skip_vol_query = 1;
+			break;
+
 		case 'W':		/* what to do */
 		case 'w':
 			lastdump(ch);
@@ -606,7 +611,7 @@
 usage(void)
 {
 	fprintf(stderr,
-		"usage: dump [-0123456789acLnSu] [-B records] [-b blocksize] [-C cachesize]\n"
+		"usage: dump [-0123456789acLnSuy] [-B records] [-b blocksize] [-C cachesize]\n"
 		"            [-D dumpdates] [-d density] [-f file | -P pipecommand] [-h level]\n"
 		"            [-s feet] [-T date] filesystem\n"
 		"       dump -W | -w\n");
Index: tape.c
===================================================================
--- tape.c	(revision 342383)
+++ tape.c	(working copy)
@@ -380,7 +380,7 @@
 		msg("Change Volumes: Mount volume #%d\n", tapeno+1);
 		broadcast("CHANGE DUMP VOLUMES!\a\a\n");
 	}
-	while (!query("Is the new volume mounted and ready to go?"))
+	while (!skip_vol_query && !query("Is the new volume mounted and ready to go?"))
 		if (query("Do you want to abort?")) {
 			dumpabort(0);
 			/*NOTREACHED*/