diff -rupN deco-archive-1.4.old/zoo/extract deco-archive-1.4/zoo/extract
--- deco-archive-1.4.old/zoo/extract	2009-01-18 08:04:29.000000000 -0500
+++ deco-archive-1.4/zoo/extract	2009-04-04 21:08:44.000000000 -0400
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-exec zoo x${Verbose-q} "$1"
+exec unzoo -x "$1" >/dev/null