Initial Commit

widget/memory.lua

@@ -0,0 +1,21 @@
+local wibox = require('wibox')
+local beautiful = require('beautiful')
+local watch = require('awful.widget.watch')
+
+local memory = wibox.widget.textbox()
+memory.font = beautiful.font
+
+function round(exact, quantum)
+    local quant,frac = math.modf(exact/quantum)
+    return quantum * (quant + (frac > 0.5 and 1 or 0))
+end
+
+watch('bash -c "free | grep -z Mem.*Swap.*"', 1, function(_, stdout)
+    local total, used, free, shared, buff_cache, available, total_swap, used_swap, free_swap =
+        stdout:match('(%d+)%s*(%d+)%s*(%d+)%s*(%d+)%s*(%d+)%s*(%d+)%s*Swap:%s*(%d+)%s*(%d+)%s*(%d+)')
+
+    memory.text = round((used / 1048576), 0.01) .. 'GB'
+    collectgarbage('collect')
+end)
+
+return memory