You can shuffle your feet and you can shuffle cards, but can you shuffle
characters? Dave's latest column explores the possibilities.
My last few articles have described building a pretty sophisticated password
generator, except for one thing: I never quite got to the point of
scrambling the end result to add a second level of randomness. I sidestepped
the issue by saying it was an exercise for the reader, but in fact, it's
a pretty interesting problem, so let's look at it here.
You can reverse a word with the handy Linux command rev, like so: