add power usage to my menu bar in osx

2 files changed, 18 insertions, 2 deletions

diff --git a/bin/st-doy1.local/power-usage b/bin/st-doy1.local/power-usage
new file mode 100755
index 0000000..46d61db
--- /dev/null
+++ b/bin/st-doy1.local/power-usage
@@ -0,0 +1,10 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+use 5.010;
+
+my $power_data = `system_profiler SPPowerDataType`;
+my ($volts) = $power_data =~ /Voltage.*: (.*)/;
+my ($amps) = $power_data =~ /Amperage.*: (.*)/;
+
+printf "%0.2f\n", $volts * $amps / 1000000;
diff --git a/hammerspoon/init.lua b/hammerspoon/init.lua
index f72699d..2f6b836 100644
--- a/hammerspoon/init.lua
+++ b/hammerspoon/init.lua
@@ -134,14 +134,20 @@ end)
 enter_bindings(hs.application.frontmostApplication():name())
 current_application_watcher:start()
 
-menubar = hs.menubar.new()
+cpu_usage_bar = hs.menubar.new()
 timer = hs.timer.doEvery(1, function()
     hs.host.cpuUsage(function(cpu)
         local cpuUsage = cpu["overall"]["active"]
-        menubar:setTitle(math.floor(cpuUsage + 0.5) .. "%")
+        cpu_usage_bar:setTitle(math.floor(cpuUsage + 0.5) .. "%")
     end)
 end)
 
+power_usage_bar = hs.menubar.new()
+timer = hs.timer.doEvery(5, function()
+    local watts = hs.execute("/Users/doy/.bin/st-doy1.local/power-usage")
+    power_usage_bar:setTitle(string.gsub(watts, "\n", "") .. "W")
+end)
+
 hs.caffeinate.set("systemIdle", true, true)
 
 hs.alert("Hammerspoon config reloaded")