(Mac bash script) Crypto coin price alert

Simple script that checks Binance price of BTC or altcoin, and alerts when target price is hit.

Requires  jq and bc:

brew install bc

brew install jq

Coin must be entered as BTCUSDT, ETHUSDT or LTCBTC etc.

#!/bin/bash

echo "Enter coin:"

read coin1

echo "Enter price target:"

read target

coin=$(echo "$coin1" | tr '[:lower:]' '[:upper:]')

while [ 1 ]

do 

pricevar=`curl -s https://www.binance.com/api/v1/ticker/24hr?symbol=$coin  | jq -r '.askPrice'`

echo "$coin" price is $pricevar

echo "-------------------------------------------"              

if (( $(echo "$pricevar < $target" |bc -l) )); then

 echo $coin lower than alarm zone $target

else

osascript -e 'display notification "'$coin' price alert '$pricevar' "'

fi

sleep 80

done