track.sh

# Track fedex/ups/usps/iparcel/upsmi packages.
track-package() {
  local open track fedex ups usps len url i \
        urls upsmi iparcel iparcel_ usps_ dhl ontrac

  if test -z "$1"; then
    return 1
  fi

  if test "$1" = 'open'; then
    open=1
    shift
  fi

  #fedex='https://www.fedex.com/Tracking?action=track&language=english&ascend_header=1&cntry_code=us&initial=x=y&tracknumbers=%s'
  fedex='https://www.fedex.com/fedextrack/?tracknumbers=%s'
  ups='http://wwwapps.ups.com/WebTracking/processInputRequest?tracknum=%s'
  usps='https://tools.usps.com/go/TrackConfirmAction!input.action?tLabels=%s'
  usps_='https://tools.usps.com/go/TrackConfirmAction?qtc_tLabels1=%s'
  # iparcel doesn't seem to work, visit page submit and check request body to test:
  iparcel='https://tracking.i-parcel.com/secure/track.aspx?txtTrack=%s&cmdTrack=track'
  iparcel_='https://tracking.i-parcel.com/secure/track.aspx?ctl00$ContentPlaceHolder1$txtTrack=%s&ctl00$ContentPlaceHolder1$cmdTrack=track'
  upsmi='http://www.ups-mi.net/packageID/PackageID.aspx?PID=%s'
  dhl='http://webtrack.dhlglobalmail.com/?trackingnumber=%s'
  ontrac='http://www.ontrac.com/trackingres.asp?tracking_number=%s'

  i=0
  urls=()

  for track in "$@"; do
    url=''

    if grep -q '^[usfmio]\+:' <<< "$track"; then
      if grep -q '^f:' <<< "$track"; then
        len=12
      elif grep -q '^u:' <<< "$track"; then
        len=18
      elif grep -q '^us:' <<< "$track"; then
        len=22
      elif grep -q '^i:' <<< "$track"; then
        len=17
      elif grep -q '^um:' <<< "$track"; then
        len=30
      elif grep -q '^o:' <<< "$track"; then
        len=15
      fi
      track=$(sed 's/^[usfmio]\+://' <<< "$track")
    else
      len=$(echo -n "$track" | wc -m)
    fi

    if test $len -eq 12; then
      url=$(sed "s/%s/${track}/" <<< "$fedex")
    # Was this before we added i-parcel:
    # elif test $len -eq 18 || grep -q '[A-Z]' <<< "$track"; then
    elif test $len -eq 18; then
      url=$(sed "s/%s/${track}/" <<< "$ups")
    elif test $len -eq 22; then
      url=$(sed "s/%s/${track}/" <<< "$usps")
    elif test $len -eq 17; then
      url=$(sed "s/%s/${track}/" <<< "$iparcel")
    elif test $len -eq 30; then
      # USPS sometimes uses 30-digit numbers now?
      # NOTE: DHL uses 30-digit numbers
      # url=$(sed "s/%s/${track}/" <<< "$upsmi")
      url=$(sed "s/%s/${track}/" <<< "$dhl")
    elif test $len -eq 15 && grep -q '^C' <<< "$track"; then
      url=$(sed "s/%s/${track}/" <<< "$ontrac")
    elif test $len -eq 13; then
      # Most likely a usps package from china:
      if grep -q '^L.*CN$' <<< "$track"; then
        url=$(sed "s/%s/${track}/" <<< "$usps")
      fi
    fi

    if test -z "$url"; then
      echo 'Unknown tracking number.' >& 2
      continue
    fi

    urls[i++]=$url
  done

  for url in "${urls[@]}"; do
    echo "$url"
  done

  if test -n "$open"; then
    if test -n "$BROWSER"; then
      "$BROWSER" "${urls[@]}"
    elif which xdg-open > /dev/null 2>& 1; then
      xdg-open "${urls[@]}"
    fi
  fi
}