# install Data Dispatcher Client
$ pip install --user datadispatcher

# set up the environment
$ export DATA_DISPATCHER_URL=...
$ export DATA_DISPATCHER_AUTH_URL=...
$ export METACAT_SERVER_URL=...

$ dd

Data Dispatcher version: 1.2.1

Usage:

dd <commnd> <subcommand> <options> <args>

Commands:

    worker [-n|<worker id>]                                - set or print my worker_id
                                                             -n generates new one
                                                             worker id will be saved in <CWD>/.worker_id
    create project ...
    show project ...
    list projects ...

    show file [-j] <namespace>:<name>

    list handles [-s <status>] <project_id>                - list file handles, -s filters handles by status
    show handle [-j] <project_id> <namespace>:<name>       - show file handle, -j - as JSON

    next [-j] [-t <timeout>] <project_id>                  - get next available file,
                                                             -j - as JSON
                                                             -t - wait for next file until "timeout" seconds,
                                                                  otherwise, wait until the project finishes
    done <project_id> <namespace>:<name>                   - mark the file as successfully processed
    failed [-f] <project_id> <namespace>:<name>            - mark the file as failed, -f means "final", no retries

    delete project <project_id>

    login x509 <user> <cert> <key>
    login password <user>