ref: 1d83d2a74e54382ef9182ad7b136a676c6a8be1c
dir: /rc/bin/usps/
#!/bin/rc rfork en if(! ~ $#* 1) { echo usage: usps 01601531218002685498 >[1=2] exit usage } rfork e hget -p 'origTrackNum='^$1 http://trkcnfrm1.smi.usps.com/PTSInternetWeb/InterLabelInquiry.do | htmlfmt > /tmp/usps.$pid sam -d /tmp/usps.$pid >[2] /dev/null <<'!' 0,/Label/-1d /^Enter Label/,$d ,p ! rm /tmp/usps.$pid