pshogs

#!/bin/bash

row_count=3

while getopts "n:" opt; do
    case $opt in
        n)  row_count="$OPTARG"
    esac
done

shift $(( OPTIND-1 ))

echo "CPU hogs:"
sed -n "2"',$p' $1 | sort -k 5 -r -g | head -n $row_count
echo
echo "VIRT hogs:"
sed -n "2"',$p' $1 | sort -k 3 -r -n | head -n $row_count
echo
echo "RES hogs:"
sed -n "2"',$p' $1 | sort -k 4 -r -n | head -n $row_count