Piping stdout and stderr to Preview:
A while back, I wrote about how handy it was to redirect a man page into Preview. This allows you to keep the man page open, search it, and generally have a better user experience than struggling with
less) to navigate through the information provided there.man -t apropos | open -fa Preview
Recently, someone asked me about more modern command line interaction, specifically, commands that use
--helpor similar to provide their documentation. Could that information be opened in Preview as well.
So I put on my thinking hat and set to work.