maybe_clone_account

raw details (from release v2.2.3):

{
  "name": "maybe_clone_account",
  "properties": {
    "long": "maybe-clone",
    "value_name": "ADDRESS",
    "takes_value": "true",
    "validator": "is_pubkey_or_keypair",
    "multiple": "true",
    "requires": "json_rpc_url",
    "help": "\n                    \"Copy an account from the cluster referenced by the --url argument, skipping \\\n                     it if it doesn't exist. If the ledger already exists then this parameter is \\\n                     silently ignored\",\n                "
  },
  "isDeprecated": false
}