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Re: Recomended tutoial(s) on doing arithmetic in Bash scripts




	Hi.

On Sun, 5 Mar 2017 09:42:16 -0600
Richard Owlett <rowlett@xxxxxxxxxxx> wrote:

> I'm interested in "expr" and "bc".
> The man pages lack reasonable examples.
> The tutorial/HOWTO pages confuse the issue with fancy page layouts 
> and/or code samples showing how impressive the author can make the 
> script's output.

expr 2 + 2

echo 2 + 2 | bc

and, since you mentioned bash - you don't need anything but bash to do
basic operations:

echo $((2 + 2))

Reco