#!/bin/sh
# Test disk performance
# Adapted from https://www.shellhacks.com/disk-speed-test-read-write-hdd-ssd-perfomance-linux/
disk="${1:-$(df --output=source . | tail -1)}"
sudo hdparm -MWAgt "$disk"
if test $# -eq 0
then echo "Write test:"
	sync
	sudo dd status=progress if=/dev/zero of=tempfile bs=1M count=1K
	sudo rm tempfile
fi