cleanup: variables and code

.config/X11/xprofile

@@ -8,12 +8,12 @@ xss-lock -- slock &
 redshift &
 dunst -follow mouse &> /dev/null & #temp fix
 # MPD daemon start (if no other user instance exists)
-[ ! -s ~/.config/mpd/pid ] && mpd
+[ ! -s "$XDG_CONFIG_HOME/mpd/pid" ] && mpd
 pulsemixer --set-volume 50
 sbacklight set 3 &
 setbg &
 dwmblocks &
-xrdb ${XDG_CONFIG_HOME:-$HOME/.config}/X11/xresources
+xrdb "$XDG_CONFIG_HOME/X11/xresources"
 
 xinput set-prop 'Synaptics TM3072-003' 'libinput Tapping Enabled' 1 &
 xinput set-prop 'Synaptics TM3072-003' 'libinput Natural Scrolling Enabled' 1 &

.local/bin/sbacklight

@@ -20,8 +20,14 @@ step=$(expr $max / 20)
 [ "$1" = "dec" ] && new=$(expr $current - $step)
 [ "$1" = "inc" ] && new=$(expr $current + $step)
 [ "$1" = "set" ] && new=$(expr $2 \* $step)
+case "$1" in
+        "dec") new=$(expr $current - $step);;
+        "inc") new=$(expr $current + $step);;
+        "set") new=$(expr $2 \* $step);;
+        *) exit
+esac
 
-[ $new -gt 850 ] && new=850
+[ $new -gt $max ] && new=$max
 [ $new -lt 0 ] && new=0
 
 echo $new > /sys/class/backlight/intel_backlight/brightness

.local/bin/statusbar/sb-battery

@@ -50,4 +50,4 @@ do
 		esac
 	fi
 	printf " %s %3d%% " "$status" "$capacity";
-done && return 0
+done

.xprofile

@@ -1 +1 @@
-.config/X11/xprofile
+~/.config/X11/xprofile