+ IO.popen(['sudo', '-u', 'list', 'add_members', '-r', '-', list], 'w') do |io|
+ emails.each do |email|
+ io.puts email
+ end
+ end
+ end
+
+ def remove_member(list, email)
+ remove_members(list, [email])
+ end
+
+ def remove_members(list, emails)
+ IO.popen(['sudo', '-u', 'list', 'remove_members', '-f', '-', list], 'w') do |io|
+ emails.each do |email|
+ io.puts email
+ end
+ end