Reorganize shell scripts into sh dir, consider in the future fsh will have different kinds of files

1 files changed, 79 insertions, 0 deletions

diff --git a/sh/sbar b/sh/sbar
new file mode 100755
index 0000000..18c62f1
--- /dev/null
+++ b/sh/sbar
@@ -0,0 +1,79 @@
+#!/bin/sh
+# modified from pystardust, GPLv3 license: https://github.com/pystardust/sbar
+
+# INIT
+sec=0
+
+# MODULES
+update_time () { 
+	time="$(date '+%a %m/%d %H:%M') $(TZ=Asia/Shanghai date '+/%d %H:') $(date -u '+/%d %H:')"
+}
+
+#update_cap () {
+#	cap="$(if xset q | grep -q "Caps Lock: *on"; then echo A; else echo a; fi)"
+#}
+
+update_net () { 
+	net="$(if nmcli -t --fields type,state device | grep -q '^\(ethernet\|wifi\):connected$'; then echo 1; else echo 0; fi)"
+	nm_device_state="$(nmcli -t --fields device,state device)"
+	vpn="$(
+		if echo "$nm_device_state" | grep -q '^wg_ka:connected$'; then
+			echo K
+		elif echo "$nm_device_state" | grep -q '^wg_studio:connected$'; then
+			echo S
+		else
+			echo 0
+		fi
+	)"
+}
+
+update_vol () { 
+	# $(NF-1) for both alsa and pulseaudio
+	vol="$(amixer get Master | awk -F'[][]' 'END{printf("%d %s",($(NF-1)=="on")?1:0,$2)}')"
+}
+
+update_mic () { 
+	# $(NF-1) for both alsa and pulseaudio
+	mic="$(amixer get Capture | awk -F '[][]' 'END{print ($(NF-1)=="on")?1:0}')"
+}
+
+update_bat () { 
+	bat="$(cat /sys/class/power_supply/BAT0/capacity)%"
+}
+
+update_gpu () {
+	gpu="$(envycontrol -q | awk 'END{print toupper(substr($NF,0,1))}')"
+}
+
+display () {
+	xsetroot -name "$time | N $net V $vpn | M $vol C $mic | $gpu | $bat"
+}
+
+# modules that don't update on their own need to be run at the start for getting their initial value
+update_net
+update_vol
+update_mic
+update_gpu
+
+# SIGNALLING
+# trap	"<function>;display"	"RTMIN+n"
+trap	"update_mic;display" 	"RTMIN"
+trap	"update_vol;display"	"RTMIN+1"
+# xev can't read my toggle internet keyboard key, don't know what key to use in sxhkd to send signal
+trap	"update_net;display"	"RTMIN+2"
+# to update it from external commands
+## kill -m $(pidof -x sbar)
+# where m = 34 + n
+
+while :; do
+	sleep 1 &
+	wait
+	[ $((sec % 5 )) -eq 0 ] && update_time 	# update time every 5 seconds
+	[ $((sec % 60)) -eq 0 ] && update_net
+	[ $((sec % 60)) -eq 0 ] && update_bat
+	# zoom turn on my mic on start, so need to monitor the change
+	[ $((sec % 60 )) -eq 0 ] && update_mic
+	# how often the display updates ( 5 seconds )
+	[ $((sec % 5 )) -eq 0 ] && display
+	sec=$((sec + 1))
+done