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#!/bin/sh
while getopts f:t: opt; do
case $opt in
f) from="$OPTARG";;
t) to="$(echo "$OPTARG" | tr '[:lower:]' '[:upper:]')";;
\?) exit 1;;
esac
done
# https://docs.cloud.coinbase.com/sign-in-with-coinbase/docs/api-exchange-rates
curl -s "https://api.coinbase.com/v2/exchange-rates?currency=${from:-xmr}" | jq -r ".data.rates.${to:-USD}"
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