Shell redirect output to variable and console output at same time

Question

How to redirect command output to variable and console same time.

Example:

 var=`ls -l`

I want to print output in console at the same time and not later "echo $var"

Answer 1

var=$(ls -l | tee /dev/stderr)

Note that this is assumed to just be an example -- you should never use ls in scripts, except where the output will only be consumed by human readers.

Answer 2

You're looking for the tee command.

DESCRIPTION

   Copy standard input to each FILE, and also to standard output.