Gets the processes which is using the swap space

get-swap_using_process.sh

#!/bin/bash

# Loops through the proc directory
for processId in `ls /proc/`; do
    # Checks for the status file for a process
    if [[ $processId =~ ^[0-9]+$ && -r "/proc/${processId}/status" ]]; then
        # Gets the swap space usage for the process
        swapUsage=`grep VmSwap "/proc/${processId}/status" | awk '{print $2}'`
        if [[ ! -z $swapUsage && $swapUsage > 0 ]]; then
            # Gets the process name
            processName=`ps -p $processId -o comm=`
            echo "${swapUsage} ---- ${processId} ---- ${processName}"
        fi
    fi
done