How to less stderr

gistfile1.sh

# http://stackoverflow.com/questions/2342826/how-to-pipe-stderr-and-not-stdout

# This creates a new file descriptor (3) and assigns it to the same place as 1 (stdout), 
# then assigns fd 1 (stdout) to the same place as fd 2 (stderr) and finally assigns fd 2 (stderr) 
# to the same place as fd 3 (stdout). Stderr is now available as stdout and old stdout preserved in stderr.

command 3>&1 1>&2 2>&3