113 lines
2.9 KiB
Bash
Executable File
113 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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function update_crypto() {
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local c
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c="$(crypto 2> /dev/null)" && crypto="$c"
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}
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function update_cpu() {
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cpu=" $(awk '{print $1}' /proc/loadavg)"
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}
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function update_memory() {
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memory=" $(free -h | awk '/^Mem:/{print $3}')"
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}
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function update_bat() {
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local dir cap
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dir='/sys/class/power_supply/BAT0'
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cap="$(cat "$dir/capacity")"
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{ grep -qv Discharging "$dir/status" && bat=" $cap%"; } ||
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{ [ "$cap" -gt 80 ] && bat=" $cap%"; } ||
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{ [ "$cap" -gt 60 ] && bat=" $cap%"; } ||
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{ [ "$cap" -gt 40 ] && bat=" $cap%"; } ||
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{ [ "$cap" -gt 20 ] && bat=" $cap%"; } ||
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{ bat=" $cap%"; }
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}
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function update_sink_vol() {
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local sink vol
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sink="$(wpctl get-volume '@DEFAULT_AUDIO_SINK@')"
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if grep -q MUTED <<< "$sink"; then
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sink_vol='🔇'
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return
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fi
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vol="$(awk '{print int($2 * 100)}' <<< "$sink")"
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{ [ "$vol" -gt 67 ] && sink_vol=" $vol"; } ||
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{ [ "$vol" -gt 33 ] && sink_vol=" $vol"; } ||
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{ sink_vol=" $vol"; }
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}
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function update_source_vol() {
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local source vol
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source="$(wpctl get-volume '@DEFAULT_AUDIO_SOURCE@')"
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if grep -q MUTED <<< "$source"; then
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source_vol=''
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return
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fi
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source_vol=" $(awk '{print int($2 * 100)}' <<< "$source")"
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}
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function update_wlp() {
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local sig ssid dev=wlan0
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sig="$(awk "/$dev/{print int(\$3)}" /proc/net/wireless)"
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if [ -z "$sig" ]; then
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wlp='⚠'
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return
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fi
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ssid="$(networkctl status "$dev" | grep -Po 'Wi-Fi access point:\s*\K\w+')"
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{ [ "$sig" -gt 56 ] && wlp="▂▄▆█ $ssid"; } ||
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{ [ "$sig" -gt 38 ] && wlp="▂▄▆_ $ssid"; } ||
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{ [ "$sig" -gt 21 ] && wlp="▂▄__ $ssid"; } ||
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{ [ "$sig" -gt 3 ] && wlp="▂___ $ssid"; } ||
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{ wlp="____ $ssid"; }
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}
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function update_time() {
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time="$(date "+%a %m-%d %R")"
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}
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function display() {
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"${DISPLAYCMD[@]}" "$crypto | $cpu | $memory | $sink_vol $source_vol | $wlp | $bat | $time"
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}
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if [ "$XDG_SESSION_TYPE" = wayland ]; then
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DISPLAYCMD=(echo)
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else
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DISPLAYCMD=(xsetroot -name)
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fi
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# SIGNALING
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# trap '<function>;display;wait' 'RTMIN+n'
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trap 'update_sink_vol;display;wait' 'RTMIN'
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trap 'update_wlp;display;wait' 'RTMIN+1'
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# to update it from external commands
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## kill -m "$(cat ~/.cache/pidofbar)"
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# where m = 34 + n
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echo "$$" > "$HOME/.cache/pidofbar"
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sec=0
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while true; do
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wait && {
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[ "$((sec % 300))" = 10 ] && update_crypto
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[ "$((sec % 10))" = 0 ] && {
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update_cpu
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update_memory
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update_sink_vol
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update_source_vol
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update_wlp
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update_bat
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update_time
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display
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}
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sec="$((sec + 10))"
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}
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awk "@load \"time\"; BEGIN {d=10; s=$(date '+%S.%N'); sleep(d - s % d)}" &
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done
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