misc updates

bin/tmux_battery_charge_indicator.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+HEART='♥'
+
+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 '#[fg=red]'
+for i in `seq 1 $charged_slots`; do echo -n "$HEART"; done
+
+if [[ $charged_slots -lt 10 ]]; then
+  echo -n '#[fg=white]'
+  for i in `seq 1 $(echo "10-$charged_slots" | bc)`; do echo -n "$HEART"; done
+fi