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January 20, 2018 18:43
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Bitcoin + Ethereum shell ticker to use with GeekTool on macOS
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| #!/usr/bin/env bash | |
| # This script requires `curl`, `jq`, `xargs` `bc` and `awk` | |
| add_arrows() { | |
| foo=$(echo $1 | sed -e 's/^\([0-9]\)/▲ \1/g') | |
| foo=$(echo $foo | sed -e 's/^-/▼ /g') | |
| echo $foo | |
| } | |
| fetch_data() { | |
| echo $(/usr/bin/curl -s -XGET "https://api.coinmarketcap.com/v1/ticker/$1/?convert=usd") | |
| } | |
| eth=$(fetch_data 'ethereum') | |
| eth_to_usd=$(echo $eth | /usr/local/bin/jq ".[0].price_usd" | /usr/bin/xargs printf "%.*f\n" 2) | |
| eth_24h=$(echo $eth | /usr/local/bin/jq ".[0].percent_change_24h" | /usr/bin/xargs printf "%.*f\n" 2) | |
| eth_1h=$(echo $eth | /usr/local/bin/jq ".[0].percent_change_1h" | /usr/bin/xargs printf "%.*f\n" 2) | |
| btc=$(fetch_data 'bitcoin') | |
| btc_to_usd=$(echo $btc | /usr/local/bin/jq ".[0].price_usd" | /usr/bin/xargs printf "%.*f\n" 2) | |
| btc_24h=$(echo $btc | /usr/local/bin/jq ".[0].percent_change_24h" | /usr/bin/xargs printf "%.*f\n" 2) | |
| btc_1h=$(echo $btc | /usr/local/bin/jq ".[0].percent_change_1h" | /usr/bin/xargs printf "%.*f\n" 2) | |
| gnt=$(fetch_data 'golem-network-tokens') | |
| gnt_to_usd=$(echo $gnt | /usr/local/bin/jq ".[0].price_usd" | /usr/bin/xargs printf "%.*f\n" 4) | |
| gnt_24h=$(echo $gnt | /usr/local/bin/jq ".[0].percent_change_24h" | /usr/bin/xargs printf "%.*f\n" 2) | |
| gnt_1h=$(echo $gnt | /usr/local/bin/jq ".[0].percent_change_1h" | /usr/bin/xargs printf "%.*f\n" 2) | |
| stratis=$(fetch_data 'stratis') | |
| stratis_to_usd=$(echo $stratis | /usr/local/bin/jq ".[0].price_usd" | /usr/bin/xargs printf "%.*f\n" 4) | |
| stratis_24h=$(echo $stratis | /usr/local/bin/jq ".[0].percent_change_24h" | /usr/bin/xargs printf "%.*f\n" 2) | |
| stratis_1h=$(echo $stratis | /usr/local/bin/jq ".[0].percent_change_1h" | /usr/bin/xargs printf "%.*f\n" 2) | |
| btc_24h=$(add_arrows $btc_24h) | |
| eth_24h=$(add_arrows $eth_24h) | |
| gnt_24h=$(add_arrows $gnt_24h) | |
| stratis_24h=$(add_arrows $stratis_24h) | |
| btc_1h=$(add_arrows $btc_1h) | |
| eth_1h=$(add_arrows $eth_1h) | |
| gnt_1h=$(add_arrows $gnt_1h) | |
| stratis_1h=$(add_arrows $stratis_1h) | |
| echo " | |
| <html> | |
| <style> | |
| body { color: rgba(255, 255, 255, 0.5); font-family: 'Avenir'; font-size: 16px; font-weight: 500; } | |
| small { font-size: 8px; position: relative; top: -0.5em; } | |
| div { display: flex; align-items: center; padding: 2px 0 2px 2px; margin: 0 0 2px; border-bottom: 1px solid rgba(255, 255, 255, 0.25); } | |
| div:last-child { border-bottom: 0; } | |
| em { font-style: normal; color: rgba(255, 255, 255, 0.9); font-weight: 600; text-shadow: 0 0 2px rgba(0, 0, 0, 0.5); } | |
| span { width: 14px; text-align: center; margin: 0 10px 0 0; font-size: 14px; } | |
| strong { font-size: 10px; margin: 0 0 0 8px; opacity: 0.85; } | |
| </style> | |
| <body> | |
| " | |
| echo $stratis_to_usd $stratis_1h $stratis_24h | /usr/bin/awk '{print "<div style=\"opacity: 0.5\"><span><img src=\"http://exomel.s3.amazonaws.com/tmp/stratis.png\" height=14 /></span> <em>"$1"</em><small>$</small><strong>"$2"</strong><strong>"$3"</strong></div>"}' | |
| echo $gnt_to_usd $gnt_1h $gnt_24h | /usr/bin/awk '{print "<div style=\"opacity: 0.6\"><span><img src=\"http://exomel.s3.amazonaws.com/tmp/golem.png\" height=14 /></span> <em>"$1"</em><small>$</small><strong>"$2"</strong><strong>"$3"</strong></div>"}' | |
| echo $btc_to_usd $btc_1h $btc_24h | /usr/bin/awk '{print "<div style=\"opacity: 0.7\"><span><img src=\"http://exomel.s3.amazonaws.com/tmp/bitcoin.png\" height=14 /></span> <em>"$1"</em><small>$</small><strong>"$2"</strong><strong>"$3"</strong></div>"}' | |
| echo $eth_to_usd $eth_1h $eth_24h | /usr/bin/awk '{print "<div style=""opacity: 0.8""><span><img src=\"http://exomel.s3.amazonaws.com/tmp/ethereum.png\" height=14 /></span> <em>"$1"</em><small>$</small><strong>"$2"</strong><strong>"$3"</strong></div>"}' | |
| echo " | |
| </body> | |
| </html> | |
| " | |
| exit 0 |
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