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#!/bin/sh
# Usage:
# price <url> <Name of currency> <icon> <Price to show in>
# price bat "Basic Attention Token" 🦁
# When the name of the currency is multi-word, put it in quotes.
[ -z "$3" ] && exit 1
# use $4 as currency, if not passed in use "usd" as default
currency="${4:-usd}"
interval="@14d" # History contained in chart preceded by '@' (7d = 7 days)
dir="${XDG_DATA_HOME:-$HOME/.local/share}/crypto-prices"
pricefile="$dir/$1-$currency"
chartfile="$dir/$1-$currency-chart"
updateprice() { temp="$(mktemp)"
curl -s "$currency.rate.sx/1$1" > "$temp" &&
mv -f "$temp" "$pricefile" &&
curl -s "$currency.rate.sx/$1$interval" > "$temp" &&
mv -f "$temp" "$chartfile" ;}
[ -d "$dir" ] || mkdir -p "$dir"
[ "$(stat -c %x "$pricefile" 2>/dev/null | cut -d' ' -f1)" != "$(date '+%Y-%m-%d')" ] &&
updateprice "$1"
case $BLOCK_BUTTON in
1) setsid "$TERMINAL" -e less -Srf "$chartfile" ;;
2) notify-send -u low "$3 Updating..." "Updating $2 price..."
updateprice "$1" && notify-send "$3 Update complete." "$2 price is now
\$$(cat "$pricefile")" ;;
3) uptime="$(date -d "$(stat -c %x "$pricefile")" '+%D at %T' | sed "s|$(date '+%D')|Today|")"
notify-send "$3 $2 module" "\- <b>Exact price: \$$(cat "$pricefile")</b>
- Left click for chart of changes.
- Middle click to update.
- Shows 🔃 if updating prices.
- <b>Last updated:
$uptime</b>" ;;
6) "$TERMINAL" -e "$EDITOR" "$0" ;;
esac
case "$currency" in
usd) symb="$" ;;
gbp) symb="£" ;;
eur) symb="€" ;;
btc) symb="₿" ;;
esac
printf "$3$symb%0.2f$after" "$(cat "$pricefile")"
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