mac compatability is working

scripts/ram_info.sh

@@ -18,12 +18,12 @@ get_percent()
 
 		Darwin)
 			# percent=$(ps -A -o %mem | awk '{mem += $1} END {print mem}')
-			used_mem=$(vm_stat | grep -i "Pages active:" | sed 's/\.//g' | awk '{printf "%d", $3*4096/1024/1024}')
+			used_mem=$(top -l 1 -s 0 | grep PhysMem | sed 's/[a-z]//g; s/[A-Z]//g; s/[()]//g' | awk '{printf "%d\n", $2-$3-$5}')
 			total_mem=$(system_profiler SPHardwareDataType | grep "Memory:" | awk '{print $2 $3}')
 			if (( $used_mem < 1024 )); then
 				echo $used_mem\M\B/$total_mem
 			else
-				memory=$(($used_mem / 1024))
+				memory=$(($used_mem/1024))
 				echo $memory\G\B/$total_mem
 			fi
 		;;