Piping stdout and stderr to Preview

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 more (or 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 --help or 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.

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