Checks a directory's size and cleans it out if it's too large.

gistfile1.sh

#!/bin/bash

size=$(du /home/charles/screenshots --bytes | grep '[0-9]*' -o)
max=$(expr 1024 \* 1024 \* 1024 \* 2)
if [[ "$size" -gt "$max" ]]; then
	rm /home/charles/screenshots/*
fi