xbar plugin to display the value of Cardano in EUR, USD or JPY in a macos menu bar

cardano.15s.sh

#!/bin/bash
# <xbar.title>Cardano Price</xbar.title>
# <xbar.version>v1.0</xbar.version>
# <xbar.author>Alexandre Plennevaux</xbar.author>
# <xbar.author.github>pixeline</xbar.author.github>
# <xbar.desc>Displays Cardano (ADA) current price in EUR using CoinGecko API.</xbar.desc>
# <xbar.dependencies>curl, jq</xbar.dependencies>

#  <xbar.var>select(VAR_CURRENCY="eur"): Which Currency? [usd, eur, jpy]</xbar.var>

# Fetch ADA price from CoinGecko API
json=$(curl -s "https://api.coingecko.com/api/v3/simple/price?ids=cardano&vs_currencies=$VAR_CURRENCY")

# Ensure that jq is installed; if not, you can install it via Homebrew: brew install jq
price=$(echo "$json" | jq -r ".cardano.$VAR_CURRENCY")

# round it to the eurocent
price=$(printf "%.3f" $price)


# Output the currency symbol according to the VAR_CURRENCY variable
case $VAR_CURRENCY in
  "usd")
    VAR_CURRENCY_SYMBOL="$"
    ;;
  "eur")
    VAR_CURRENCY_SYMBOL="€"
    ;;
  "jpy")
    VAR_CURRENCY_SYMBOL="¥"
    ;;
esac


# Output the price in the menu bar (adding a $ sign)
echo "ADA: $VAR_CURRENCY_SYMBOL ${price}"