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#!/sbin/sh
# Shows the price for desired cryptocurrencies. Module updates automatically
# every calendar day, but can also be updated with a middle click.
# Currencies should be ;-separated:
# human-readable name;urlname;icon
#coins="Bitcoin;btc;💰
#Etherium;eth;🍸
#Basic Attention Token;bat;🦁
#LBC;lbc;📚
#Monero;xmr;"
coins="Etherium;eth;e
Bitcoin;btc;b
Monero;xmr;m"
# Directory where currency info is stored.
dir="${XDG_DATA_HOME:-$HOME/.local/share}/crypto-prices"
getprices() { # The command to get the desired prices
printf "🔃 "; printprices
{ rm -rf "${dir:?}/*"
echo "$coins" | while IFS=';' read -r human web icon; do
val="$(curl -s "rate.sx/1$web")" &&
echo "$icon;$val;$human" > "$dir/$web"
done; [ -d "$dir" ] && touch "$dir"
pkill -RTMIN+13 "${STATUSBAR:-dwmblocks}" ;} &
exit
}
printprices() { # Print/format all prices
for x in "$dir"/*; do
[ -f "$x" ] || break
icon=`cut -d';' -f1 "$x"`
price=`cut -d';' -f2 "$x"`
printf "[%s$%0.2f]" "$icon" "$price"
done | sed 's/ $/\n/'
}
[ ! -d "$dir" ] && mkdir -p "$dir" && { getprices; exit ;}
# If currencies haven't been updated today, try to update them.
[ "$(stat -c %x "$HOME/.local/share/crypto-prices" | cut -d' ' -f1)" != "$(date '+%Y-%m-%d')" ] &&
{ ping -q -c 1 1.1.1.1 >/dev/null 2>&1 && getprices || exit ;}
case $BLOCK_BUTTON in
1) uptime="$(date -d "$(stat -c %x "$dir")" '+%D at %T' | sed "s|$(date '+%D')|Today|")"
notify-send "Exact prices in USD" "$(awk -F';' '{print $1, $3 ":\n\t$" $2}' "$dir"/*)
<b>Last updated:</b>
$uptime" ;;
3) getprices ;;
2) notify-send "💸 Crypto-currency module" "\- Left click for exact prices.
- Middle click to update.
- Shows 🔃 if updating prices.
- Manually add/remove currencies to list in the script." ;;
6) "$TERMINAL" -e "$EDITOR" "$0" ;;
esac
printprices
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