#!/bin/bash
# -----------------------------------------------------------------------------------#
# Set variables from commandline argument values
# -----------------------------------------------------------------------------------#

while getopts "g:" opt; do
  case $opt in
      g) # Show grep results for primary system components
        grepVal=$OPTARG
        ;;
      :)
        echo "Option -$OPTARG requires an argument." >&2
        exit 1
      ;;
  esac
done


echo "-- Processes using more than 0% Memory"
echo -e 'Date\t\t\tMem%\t#procs\tApplication'
ps aux | awk '{print $4"\t"$11"\t"$16}' | sort | uniq -c | awk '{if($2>0) print d"\t"$2"\t"$1"\t"$3"\t"$4}' d="$(date +'%m/%d/%Y %H:%M:%S')" | sort -nr

echo "-- free -m"
free -m

if [ ! -z $grepVal ]; then
   echo -e "\n\npsgrep  $grepVal  --------------------------------------------------"
     psgrep "$grepVal"
fi