return the key to be print out in `output`
return the key to be print out in `output`
rackspace/rack,brint/rack,dolph/rack,dolph/rack,annegentle/rack,ryanvz/rack,ryanvz/rack,annegentle/rack,nelsnelson/rack,brint/rack,nelsnelson/rack,pratikmallya/rack,jarosser06/rack,DonNateR/rack,DonNateR/rack,jrperritt/rack,pratikmallya/rack,rackspace/rack,jarosser06/rack,jrperritt/rack