They seem to have changed the format of the readme.txt file and

broke our update_dat utility.  This should fix that.

security/uvscan-dat/Makefile

@@ -7,6 +7,7 @@
 
 PORTNAME=	uvscan_dat
 PORTVERSION=	4163
+PORTREVISION=	1
 CATEGORIES=	security
 MASTER_SITES=	http://download.nai.com/products/datfiles/4.x/nai/
 DISTNAME=	dat-${PORTVERSION}

security/uvscan-dat/files/update_dat

@@ -2,6 +2,9 @@
 cd @PREFIX@/libexec/uvscan/
 ftp http://download.nai.com/products/datfiles/4.x/nai/readme.txt >/dev/null
 AVVER=`head -1 readme.txt | cut -d' ' -f11`
+if [ "x$AVVER" = "x" ] ; then
+  AVVER=`grep 'DAT [0-9]* Release Date' readme.txt | head -1 | sed -e 's/^.*DAT \([0-9]*\) Release Date.*$/\1/'`
+fi
 if [ ! -f dat-$AVVER.tar ]; then
 	for i in *.tar ; do
 		mv $i $i.old