def exists(self, filename, use_sudo=True):
        def on_host(container):
            return container._host.exists(filename, use_sudo=use_sudo)

        return map(on_host, self)
Returns an array of boolean values that represent whether this a file
dataset/ETHPy150Open jonathanslenders/python-deployer/deployer/host_container.py/HostsContainer.exists