HDD Thrasher Script to show off an exposed Mechanical Hard Drive

Found an old HDD that I would like to show activity for fun. Got a bash script that would help demonstrate the hard drive motion A while ago, I found a an old laptop HDD and found a transparent sata to USB adapter. This would be a good demo for others to see what old tech was like before SSDs. But to best demo its motion to other people, I needed a bash script to rapidly read the hdd to show the…