From 8b88d97a7eda79d6cb57ef269c01fde468bd9379 Mon Sep 17 00:00:00 2001
From: Enrico Fasoli <fazius2009@gmail.com>
Date: Fri, 28 Aug 2015 13:55:07 +0000
Subject: [PATCH] added used RAM indicator

---
 lemonbar.sh | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/lemonbar.sh b/lemonbar.sh
index 718bbd4..586ee33 100755
--- a/lemonbar.sh
+++ b/lemonbar.sh
@@ -56,10 +56,20 @@ separator(){
   echo -n "%{F$GREY}◆"
 }
 
+getMEM(){
+  total=$(grep 'MemTotal' /proc/meminfo | egrep -o '[0-9]+')
+  not_apps=0
+  for mem in $(egrep '(MemFree|Buffers|Cached|Slab|PageTables|SwapCached)' /proc/meminfo | egrep -o '[0-9]+'); do
+    not_apps=$((not_apps+mem))
+  done
+  USEDMEM=$(echo "$((total-not_apps))/1000" | bc)
+  echo -n "%{F$BLUE}$USEDMEM MB"
+}
+
 buildBar () {
   while true
   do
-    echo " $(getVolume) $(getMPD) %{c}$(buildClock) %{r} $(getDISK) $(separator) $(getNET) "
+    echo " $(getVolume) $(getMPD) %{c}$(buildClock) %{r} $(getMEM) $(separator) $(getDISK) $(separator) $(getNET) "
     sleep 1
   done
 }