[GTALUG] Script to show HTTP(S) and TLS details for a website

[Chris F.A. Johnson]

On Mon, 12 Aug 2019, Giles Orr via talk wrote:

> Well damn.? That's a lot of very good suggestions.
> 
> I will dispute one of them: you said (more than once I think) that I don't need to quote variables.? You are technically correct ... right up until a variable value has a space in it.? Then everything goes to
> hell in a handbasket.?

Yes, always quote them. And it is not only spaces that can be a
problem; several other characters are special to the shell and can
cause problems.

But it is not necessary to use braces unless you need more than
straight expansion:

echo "$var"

not:

echo "${var}"

-- 
    Chris F.A. Johnson                         <http://cfajohnson.com/>
    =========================== Author: ===============================
    Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
    Pro Bash Programming: Scripting the GNU/Linux shell (2009, Apress)