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#!/usr/bin/env bash
btc=$(hledger bal cur:"BTC|sat" ^as --value=now,BTC \
          | tail -n1 | tr -d ' BTC')
cost=$(hledger bal cur:"BTC|sat" ^as --value=cost,USD \
           | tail -n1 | tr -d ' USD')
usd=$(hledger bal cur:"BTC|sat" ^as --value=now,USD \
          | tail -n1 | tr -d ' USD')
roi=$(bc -l <<< "100 * $(tr -d ',' <<< "$usd") / $(tr -d ',' <<< "$cost")")
echo   " btc: $btc BTC"
echo   " usd: $usd USD"
echo   "cost: $cost USD"
printf " roi: %.2f%%\n" $roi