ref: f35d5ee5b036b7b4fa59b1839f52fca15b7f99f9
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