--- ray/src/util/do_file.tcl	1994/12/06 15:54:45	2.3
+++ ray/src/util/do_file.tcl	1995/02/15 14:12:05	2.6
@@ -242,6 +242,11 @@ proc newsave f {		# save a RIF
 			return 0
 		}
 	}
+	if {[file exists $f] && ! [file writable $f] && 
+			[catch {exec chmod u+w $f} curmess]} {
+		beep
+		return 0
+	}
 	if [save_vars $f] {
 		set rifname [pwd]/$f
 		set readonly 0
@@ -282,8 +287,8 @@ proc do_file w {
 	pack $w.left -side left
 	button $w.left.load -text LOAD -width 5 \
 			-relief raised -command {newload $curfile}
-	button $w.left.save -text SAVE -width 5 \
-			-relief raised -command {newsave $curfile}
+	button $w.left.save -text SAVE -width 5 -relief raised \
+			-command "newsave \$curfile; update_dir $w.right"
 	button $w.left.new -text NEW -width 5 \
 			-relief raised -command {newnew $curfile}
 	pack $w.left.load $w.left.save $w.left.new -side top -pady 15 -padx 20