def coredump(listofinstances):
"""
Instructs Zorp instance(s) to dump core by instance_name
expects sequence of name(s)
"""
UInterface.informUser("Creating Zorp core dumps:")
if not listofinstances:
UInterface.informUser(ZorpHandler.coredump())
else:
algorithm = CoredumpAlgorithm()
Zorpctl.runAlgorithmOnList(listofinstances, algorithm)
