ref: dfb8d83c44195a8b97c06d6920b3fb8c4ed6cd19
dir: /rc/bin/usps/
#!/bin/rc
rfork en
if(! ~ $#* 1) {
	echo usage: usps 01601531218002685498 >[1=2]
	exit usage
}
rfork e
hget -p 'qtc_tLabels1='^$1 https://tools.usps.com/go/TrackConfirmAction |
	htmlfmt > /tmp/usps.$pid
sam -d /tmp/usps.$pid >[2] /dev/null <<'!'
,/Tracking Number:/-1d
/Available Actions/,$d
,p
!
rm /tmp/usps.$pid