Tracking EMS (Russian Post) parcel

ems.sh

#!/bin/bash
# usage: ems.sh <tracking> <sleep_duration>

export SLEEP=60
export TRACKING=""


if [ $1 ]; then
        TRACKING="$1"
else
	echo "tracking must be in first parameter"
	exit
fi

if [ $2 ]; then
	if [ $2 \> "1" ]; then
		SLEEP="$2"
	fi
fi

echo "$TRACKING: $SLEEP"

while :;
  do
  clear
  date
  curl -s 'http://emspost.ru/ru/tracking.aspx/getEmsInfo' -H 'Origin: http://emspost.ru' -H 'Accept-Encoding: gzip, deflate' -H 'Accept-Language: ru,en-US;q=0.8,en;q=0.6,sr;q=0.4' -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36' -H 'Content-Type: application/json; charset=UTF-8' -H 'Accept: */*' -H 'Referer: http://emspost.ru/ru/tracking/' -H 'Connection: keep-alive' -H 'DNT: 1' --data-binary "{\"emsNumber\":\"$TRACKING\"}"|jq .d|sed -e 's/<\/b>/-/g' -e 's/<[^>]*>//g'
  # 's/<[^>]*>/\n/g' #'s/<[^>]\+>/\n/g'
  sleep "$SLEEP"
done