Prints all the processes (swap amount, pid and name w/o params) that are using swap ordered by swap amount

swapUsage.sh

#!/usr/bin/env bash

# Prints all the processes that are using swap ordered by swap amount (DESC)

for PID in $( ls /proc/|egrep "^[0-9]" );do
    PROCNAME=$( ps -e -o pid,comm|grep ${PID}|awk '{print $2}' )
    awk -v  PID=${PID} -v PROCNAME=${PROCNAME} '/Swap/{sum+=$2}END{print (sum/1024)"\t"PID"\t"PROCNAME}' /proc/${PID}/smaps 2>/dev/null |egrep -v "^0"
done | sort -nr