Have you heard the one about write-only-memory...? :)

Play Bonny!

:hattip:

Unless you read the file's raw data blocks directly. Technically you're not opening the file... ;-)

:-) I thought about mentioning file system debuggers. But you have a very hard time accessing the raw data blocks directly. You CAN open the disk device... but then you have to interpret the filesystem architecture to find the blocks...