Created
January 23, 2018 22:48
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finds best and worst cryptocurrency performers according to coinmarketcap.com
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#!/bin/bash | |
# coin-performers.sh | |
# finds best and worst cryptocurrency performers according to coinmarketcap.com | |
# quick hacky bash script could use refactoring into Python or something... | |
window=${1:-"[1-9]+[dh]"} | |
now=$(date +%s) | |
# cache the top 100 | |
curl -s "https://api.coinmarketcap.com/v1/ticker/" | jq '.[]' > /tmp/coinz-$now.json | |
echo 'curl -s "https://api.coinmarketcap.com/v1/ticker/" | grep $1' " # ($window)" | |
# find best and worst | |
best=$(egrep "percent_change_${window}\": ?\"[0-9]{1,3}" /tmp/coinz-$now.json \ | |
| egrep -o '[0-9]{1,5}\.[0-9]{1,2}' | sort -rn | head -n1) | |
worst=$(egrep "percent_change_${window}\": ?\"-?[0-9]{1}" /tmp/coinz-$now.json \ | |
| egrep -o '\-?[0-9]{1,5}\.[0-9]{1,2}' | sort -n | head -n1) | |
echo "best: $best and worst: $worst (percent) as of $now" | egrep "$best|$worst" --color | |
# record details on best and worst | |
# jq . -c /tmp/coinz-$now.json | egrep "\"$best\"|\"$worst\"" | jq . | |
jq . -c /tmp/coinz-$now.json | egrep "\"$best\"" | jq . > /tmp/coinz-$now-best | |
jq . -c /tmp/coinz-$now.json | egrep "\"$worst\"" | jq . > /tmp/coinz-$now-worst | |
best_id=$(jq .id --raw-output /tmp/coinz-$now-best) | |
worst_id=$(jq .id --raw-output /tmp/coinz-$now-worst) | |
best_name=$(jq .name /tmp/coinz-$now-best) | |
worst_name=$(jq .name /tmp/coinz-$now-worst) | |
best_symbol=$(jq .symbol /tmp/coinz-$now-best) | |
worst_symbol=$(jq .symbol /tmp/coinz-$now-worst) | |
# compare details on best and worst | |
diff -y /tmp/coinz-$now-best /tmp/coinz-$now-worst --width=80 \ | |
| egrep "$best|$worst|$best_name|$worst_name|$best_symbol|$worst_symbol" -C8 --color=always \ | |
| egrep '^ ' | sort | uniq | |
# clickable links | |
echo "https://coinmarketcap.com/currencies/$best_id/" | |
echo "https://coinmarketcap.com/currencies/$worst_id/" | |
# $ topGrowth=$(curl -s "https://api.coinmarketcap.com/v1/ticker/" | egrep 'percent_change_[1-9]+[dh]": ?"[0-9]{3}' | egrep -o '[0-9]{3,5}\...' | sort -rn | head -n1) ; echo $topGrowth | |
# $ botGrowth=$(curl -s "https://api.coinmarketcap.com/v1/ticker/" | egrep 'percent_change_[1-9]+[dh]": ?"-?[0-9]{1}' | egrep -o '\-?[0-9]{1,5}\...' | sort -n | head -n1) ; echo $botGrowth | |
# $ curl -s "https://api.coinmarketcap.com/v1/ticker/" | jq '.[]' -c | egrep "$topGrowth|$botGrowth|RPX" | jq . |
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