def usage(asked_for=0):
    exit =  fsq.const('FSQ_SUCCESS') if asked_for else\
                fsq.const('FSQ_FAIL_PERM')
    f = sys.stdout if asked_for else sys.stderr
    shout('{0} [opts] src_queue trg_queue host item_id [item_id [...]]'.format(
          os.path.basename(_PROG)), f)
    if asked_for:
        shout('{0} [-p|--protocol=jsonrpc] [-L|--no-lock] [-t|--trigger] '\
              '[-i|--ignore-listener] <proto>://<host>:<port>/url'\
              .format(os.path.basename(_PROG)), f)
        shout('{0} [-p|--protocol=jsonrpc] [-L|--no-lock] [-t|--trigger]'\
              '[-i|--ignore-listener] unix://var/sock/foo.sock'\
              .format(os.path.basename(_PROG)), f)
        shout('        src_queue trg_queue host_queue item [item [...]]', f)
    return exit
This is the eventual-send operation, used as a plan-coordination
dataset/ETHPy150Open axialmarket/fsq/libexec/fsq/push.py/usage--crossover with--dataset/ETHPy150Open warner/petmail/petmail/eventual.py/eventually