since the usps website changed, /rc/bin/usps is no longer filtering the
junk.

try the below patch on: usps 9405509699937977420329

also, fedex script outputs blanks.

diff -r c41480ba2a66 rc/bin/usps
--- a/rc/bin/usps Thu Oct 10 07:42:13 2013 +0200
+++ b/rc/bin/usps Tue Oct 15 12:08:19 2013 -0700
@@ -13,9 +13,8 @@
  uhtml | htmlfmt > /tmp/usps.$pid
 
 sam -d /tmp/usps.$pid >[2] /dev/null <<'!'
-,/Your Label Number/-1d
-/Check on Another Item/,$d
-/id=\"error-tLabels\"/,$d
+,/Tracking Number/-1d
+/Available Options/,$d
 ,p
 !
 rm /tmp/usps.$pid