use psv

plumb/basic

diff --git a/plumb/basic b/plumb/basic
index eaea817..2f4be3f 100644
--- a/plumb/basic
+++ b/plumb/basic
@@ -54,7 +54,7 @@
 data matches '([a-zA-Z¡-￿0-9_\-./]+)\.(ps|PS|eps|EPS|pdf|PDF|dvi|DVI)'
 arg isfile	$0
 plumb to postscript
-plumb start gv $file
+plumb start psv $file
 # plumb start page -w $file
 
 # existing files, possibly tagged by line number, go to editor