updated to have prompt refreshed on each new prompt

.bashrc

@@ -0,0 +1,28 @@
+# came from Aaron Lasseigne (AaronLasseigne on GitHub)
+battery_status()
+{
+  HEART='♥ '
+
+  NON='\[\e[0m\]'
+  RED='\[\e[0;31m\]'
+
+  battery_info=`ioreg -rc AppleSmartBattery`
+  current_charge=$(echo $battery_info | grep -o '"CurrentCapacity" = [0-9]\+' | cut -d ' ' -f 3)
+  total_charge=$(echo $battery_info | grep -o '"MaxCapacity" = [0-9]\+' | cut -d ' ' -f 3)
+
+  charged_slots=$(echo "(($current_charge/$total_charge)*10)+1" | bc -l | cut -d '.' -f 1)
+  if [[ $charged_slots -gt 10 ]]; then
+    charged_slots=10
+  fi
+
+  echo -n "${RED}"
+  for i in `seq 1 $charged_slots`; do echo -n "$HEART"; done
+  echo -n "${NON}"
+
+  if [[ $charged_slots -lt 10 ]]; then
+    for i in `seq 1 $(echo "10-$charged_slots" | bc)`; do echo -n "$HEART"; done
+  fi
+}
+
+PS1="$(battery_status) \h:\W \u\$ "
+