(Mac bash script) Crypto coin price check send alarm to notification center.

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