Polybar: Add rate limit message to BTC module

.local/bin/panel/btc.sh

@@ -39,6 +39,8 @@ url_last_week="${url}/history?interval=h1&start=${date_last_week_start}&end=${da
 
 # Current price
 data="$(data "$url")"
+data_first_character="$(echo "$data" | cut -c 1)"
+if [ "$data_first_character" != "{" ]; then echo "rate limit"; exit; fi
 price="$(echo "$data" | jq --compact-output --raw-output '.data.priceUsd')"
 price=$(calc "$price")
 
@@ -47,7 +49,10 @@ difference_yesterday="$(echo "$data" | jq --compact-output --raw-output '.data.c
 difference_yesterday="$(calc "$difference_yesterday")"
 
 # Get last weeks difference
-price_last_week="$(data "$url_last_week" | jq --compact-output --raw-output '.data[0].priceUsd')"
+data_last_week="$(data "$url_last_week")"
+data_last_week_first_character="$(echo "$data_last_week" | cut -c 1)"
+if [ "$data_last_week_first_character" != "{" ]; then echo "rate limit"; exit; fi
+price_last_week="$(echo "$data_last_week" | jq --compact-output --raw-output '.data[0].priceUsd')"
 difference_last_week=$(calc "$price / $price_last_week * 100 - 100")
 
 # Create output formatting