#!/usr/bin/python from subprocess import check_output def call_dpctl(): cmd="ovs-dpctl dump-flows" listcmd=cmd.split() return check_output(listcmd) if __name__ == "__main__" : flows=call_dpctl().split("recirc_id") print print "Flows from dpctl:" print for flow in flows: if flow != "": print "recirc_id"+flow