dotfiles/macos/.config/sketchybar/plugins/mem.org

SketchyBar Memory Plugin

Get the memory in use and return that as a percent.

  #!/bin/sh
  hw_pagesize="$(sysctl -n hw.pagesize)"
  mem_total="$(($(sysctl -n hw.memsize) / 1024))"
  pages_app="$(($(sysctl -n vm.page_pageable_internal_count) - $(sysctl -n vm.page_purgeable_count)))"
  pages_wired="$(vm_stat | awk '/ wired/ { print $4 }')"
  pages_compressed="$(vm_stat | awk '/ occupied/ { printf $5 }')"
  pages_compressed="${pages_compressed:-0}"
  mem_used="$(((pages_app + ${pages_wired//.} + ${pages_compressed//.}) * hw_pagesize / 1024))"

  mem_percent=$((mem_perc=$mem_used * 100 / $mem_total))
  sketchybar --set "$NAME" icon="󰆼" label="$mem_percent%"