ref: d7a4fdee99c295a2d201f70ae908a7bec43f4c04
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