--- ray/src/util/do_action.tcl	1994/12/06 19:36:21	2.7
+++ ray/src/util/do_action.tcl	2004/01/01 19:31:46	2.11
@@ -1,4 +1,4 @@
-# SCCSid "$SunId$ LBL"
+# RCSid: $Id: do_action.tcl,v 2.11 2004/01/01 19:31:46 greg Exp $
 #
 # Action screen for trad
 #
@@ -174,7 +174,7 @@ proc do_action w {		# Action screen
 	global rifname rvview rpview radvar bfname batch_pid \
 			curmess scname mywin alldone batch_fmt hostname
 	if {"$w" == "done"} {
-		unset rpview bfname batch_pid mywin
+		unset rvview rpview bfname batch_pid mywin
 		return
 	}
 	set bfname [file rootname [file tail $rifname]].err
@@ -196,10 +196,10 @@ proc do_action w {		# Action screen
 	# Render interactively
 	label $w.ril -text {Render interactively}
 	place $w.ril -relx .1429 -rely .2439
-	button $w.rirv -text rview -relief raised \
+	button $w.rirv -text rvu -relief raised \
 			-command {run_rad -v $rvview -o x11}
 	place $w.rirv -relwidth .1071 -relheight .0610 -relx .4643 -rely .2439
-	helplink $w.rirv trad action rview
+	helplink $w.rirv trad action rvu
 	label $w.rivl -text View:
 	place $w.rivl -relx .6072 -rely .2439
 	menubutton $w.rivmb -textvariable rvview -anchor w -relief raised
@@ -223,10 +223,14 @@ proc do_action w {		# Action screen
 			-command {view_txt $bfname}
 	place $w.rbce -relwidth .1786 -relheight .0610 -relx .6429 -rely .5488
 	helplink $w.rbce trad action checkerr
-	if [file exists $bfname] {
+	if [file isfile $bfname] {
 		set fi [open $bfname r]
-		scan [gets $fi] $batch_fmt batch_pid batch_host
-		gets $fi radcom
+		if {[scan [gets $fi] $batch_fmt batch_pid batch_host] != 2} {
+			set batch_host unknown
+			set radcom {}
+		} else {
+			gets $fi radcom
+		}
 		close $fi
 		if [string match "rad -v *" $radcom] {
 			set rpview [lindex $radcom 2]