statusbar: make POSIX compliant

1 files changed, 17 insertions, 14 deletions

diff --git a/.local/bin/statusbar b/.local/bin/statusbar
index 9f124a7..950a9e1 100755
--- a/.local/bin/statusbar
+++ b/.local/bin/statusbar
@@ -2,27 +2,30 @@
 
 print_wifi() {
 	if=wlan0
-		while IFS=$': \t' read -r label value
-		do
-			case $label in SSID) SSID=$value
-				;;
-			signal) SIGNAL=$value
-				;;
+	while IFS=':' read -r k v 
+	do
+		label=$(echo "$k"|trim)
+		value=$(echo "$v"|trim)
+		case $label in
+		SSID) SSID=$value
+			;;
+		signal) SIGNAL=$value
+			;;
 		esac
-	done < <(iw "$if" link)
-	test "$SIGNAL" && echo -e "$SSID $SIGNAL"
+	done <<-EOT
+	$(iw "$if" link)
+	EOT
+	test "$SIGNAL" && echo "$SSID $SIGNAL"
 }
 
-
-
 while true
 do
   xsetroot -name\
  "$(printf "%s %s %s %s%% %s"\
  "$(print_wifi)"\
- "`ip -4 -j a show wlan0 | jq -r ".[0].addr_info[0].local"`"\
- "$(($(cat /proc/meminfo|grep MemAvailable | awk '{print $2}')/1024))M"\
- "`</sys/class/power_supply/BAT0/capacity`"\
- "`date "+W%V %d/%m %T%:::z"`")"
+ "$(ip -4 -j a show wlan0 | jq -r ".[0].addr_info[0].local")"\
+ "$(($(grep MemAvailable /proc/meminfo | awk '{print $2}')/1024))M"\
+ "$(cat /sys/class/power_supply/BAT0/capacity)"\
+ "$(date "+W%V %d/%m %T%:::z")")"
 sleep 1
 done