Add battery.sh

local/bin/battery.sh

@@ -0,0 +1,57 @@
+#!/bin/sh
+#
+# by lyon8 (lyon8@gmx.net)
+# show your laptop battery state in dzen
+
+BG='#000'  # dzen backgrounad
+FG='#ddd'  # dzen foreground
+W=157      # width of the dzen bar
+GW=100     # width of the gauge
+GFG='#057' # color of the gauge
+GH=12      # height of the gauge
+GBG='#333' # color of gauge background
+X=2722     # x position
+Y=1        # y position
+FN='"xft:Liberation Mono:size=7"' # font
+
+STATEFILE='/sys/class/power_supply/BAT0/status' # battery's state file
+CAPFILE='/sys/class/power_supply/BAT0/capacity'   # battery's capacity file
+
+MIDBAT=65        # percentage of battery life marked as low
+MIDCOL='#dddd47' # color when battery is low
+LOWBAT=30        # percentage of battery life marked as low
+LOWCOL='#dd4747' # color when battery is low
+TIME_INT=15      # time interval in seconds
+
+gdbar="$([ -x /opt/dzen/bin/gdbar ] && echo '/opt/dzen/bin/gdbar' || echo 'gdbar')"
+
+# Today's date & current time
+#DATE_FORMAT="%d %b %Y %H:%M"
+DATE_FORMAT="%H:%M"
+
+while true; do
+    # find remaining power
+    RPERC=`cat $CAPFILE`;
+
+    # draw the bar and pipe everything into dzen
+    if [ $RPERC -gt $MIDBAT ]; then GFGC=$GFG; fi
+    if [ $RPERC -le $MIDBAT ]; then GFGC=$MIDCOL; fi
+    if [ $RPERC -le $LOWBAT ]; then GFGC=$LOWCOL; fi
+
+    case $RPERC in
+        $LOWBAT)
+            message="Battery getting low, better plug in..."
+            level="normal"
+            notify $level "$message"
+        ;;
+        15)
+            message="Battery dangerously low! Plug in AC!"
+            level="critical"
+            notify $level "$message"
+        ;;
+    esac
+
+    echo -n "$(date +"$DATE_FORMAT") "
+    eval echo $RPERC | $gdbar -h $GH -w $GW -fg $GFGC -bg $GBG
+    sleep $TIME_INT;
+done | dzen2 -ta c -tw $W -y $Y -x $X -fg "$FG" -bg "$BG" -fn "$FN" -h 18 -e "sigusr1=raise"