Polybar Mic button and cleaning up code

polybar/scripts/bluetooth.sh

@@ -1,4 +1,5 @@
 #!/bin/sh
+
 if [ $(bluetoothctl show | grep "Powered: yes" | wc -c) -eq 0 ]
 then
   echo "%{F#666}"

polybar/scripts/mic.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+value=$(amixer get Capture | grep '\[off\]')
+
+if [ "$value" == "" ]; then
+  echo "  ";
+else
+  echo "%{F#666}  ";
+fi

polybar/scripts/toggle_bluetooth.sh

@@ -1,5 +1,8 @@
 #!/bin/sh
-if [ $(bluetoothctl show | grep "Powered: yes" | wc -c) -eq 0 ]
+
+value=$(bluetoothctl show | grep "Powered: yes" | wc -c)
+
+if [ "$value" == 0 ]
 then
   bluetoothctl power on
 else

polybar/scripts/toggle_dnd.sh

@@ -2,8 +2,7 @@
 
 value=$(gsettings get org.gnome.desktop.notifications show-banners)
 
-if [ $value == "true" ]
-then
+if [ "$value" == "true" ]; then
   gsettings set org.gnome.desktop.notifications show-banners false
 else
   gsettings set org.gnome.desktop.notifications show-banners true

polybar/scripts/update_check.sh

@@ -1,8 +1,8 @@
 #!/bin/sh
 
-b=$(pacman -Qu | wc -l)
+value=$(pacman -Qu | wc -l)
 
-if [ "$b" != "0" ]; then
+if [ "$value" != "0" ]; then
   echo "  ";
 else
   echo "";