Create a list of GitHubbers and follow all of them.

twithubbers.sh

#!/bin/sh
#
# Requires the `t` gem: https://github.com/sferik/t
#
#    gem install t
#

if [ -z $(t lists | grep -i githubbers) ] 
then
  t list create GitHubbers
fi

t list members cobyism/githubbers | xargs t list add GitHubbers
t followings github | xargs t list add GitHubbers

t list members GitHubbers | xargs t follow