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#!/bin/sh |
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file="/tmp/panel-btc-module" |
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# Enable mathematics in POSIX shell |
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calc() { awk "BEGIN { printf(\"%.2f\", $*) }"; } |
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data() { |
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[ -z "$1" ] && return 1 |
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url="$1" |
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curl --location --request GET --silent "$url" |
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} |
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output() { |
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[ -z "$1" ] && return 1 |
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# Get symbol and color |
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difference="$1" |
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possitive=$(calc "$difference >= 0" | cut -c 1) |
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if [ "$possitive" -eq 1 ]; then |
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symbol="" |
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color="$COLOR2" |
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else |
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symbol="" |
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color="$COLOR1" |
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fi |
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# Result |
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# >>> session=xorg |
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echo "%{F$color}$symbol $difference%%{F$COLOR15}" |
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# <<< |
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# >>> session=wayland |
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# echo "<span color='$color'>$symbol $difference%</span>" |
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# <<< |
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} |
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if [ ! -f "$file" ]; then |
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touch "$file" |
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else |
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# Only pull if older than 10 seconds |
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lastModified=$(calc "$(date +%s) - $(date +%s -r $file) >= 10" | cut -c 1) |
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if [ "$lastModified" -eq 0 ]; then cat "$file"; exit; fi |
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fi |
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# Get dates |
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date_last_week_start="$(date --date 'last week' +%s000)" |
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date_last_week_end=$(calc "$date_last_week_start + (1000 * 60 * 60)") # +1h |
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date_last_week_end=${date_last_week_end%.00} # cut off ".00" at the end |
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# API URLs |
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url="https://api.coincap.io/v2/assets/bitcoin" |
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url_last_week="${url}/history?interval=h1&start=${date_last_week_start}&end=${date_last_week_end}" |
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# Current price |
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data="$(data "$url")" |
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data_first_character="$(echo "$data" | cut -c 1)" |
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if [ "$data_first_character" != "{" ]; then cat "$file"; exit; fi |
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price="$(echo "$data" | jq --compact-output --raw-output '.data.priceUsd')" |
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price=$(calc "$price") |
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# Get yesterdays difference |
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difference_yesterday="$(echo "$data" | jq --compact-output --raw-output '.data.changePercent24Hr')" |
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difference_yesterday="$(calc "$difference_yesterday")" |
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# Get last weeks difference |
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data_last_week="$(data "$url_last_week")" |
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data_last_week_first_character="$(echo "$data_last_week" | cut -c 1)" |
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if [ "$data_last_week_first_character" != "{" ]; then cat "$file"; exit; fi |
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price_last_week="$(echo "$data_last_week" | jq --compact-output --raw-output '.data[0].priceUsd')" |
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difference_last_week=$(calc "$price / $price_last_week * 100 - 100") |
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# Create output formatting |
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difference_yesterday_output="d $(output "$difference_yesterday")" |
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difference_last_week_output="w $(output "$difference_last_week")" |
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echo "\$$price $difference_yesterday_output $difference_last_week_output" > "$file" |
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echo "\$$price $difference_yesterday_output $difference_last_week_output"
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