gcloud beta emulators datastore env-init

INFORMATION
gcloud beta emulators datastore env-init is supported in universe domain universe; however, some of the values used in the help text may not be available. Command examples may not work as-is and may requires changes before execution.
NAME
gcloud beta emulators datastore env-init - print the commands required to export env variables of a datastore
SYNOPSIS
gcloud beta emulators datastore env-init [--data-dir=DATA_DIR] [GCLOUD_WIDE_FLAG …]
DESCRIPTION
(BETA) Prints the commands but does not execute them. It will output in shell syntax or on Windows it will be in cmd.exe syntax.
EXAMPLES
To print the env variables exports for a datastore emulator, run: 
gcloud beta emulators datastore env-init --data-dir=DATA-DIR

You can use this command to set env vars in a bash script by adding the below line in the script. 

eval $(gcloud beta emulators datastore env-init --data-dir=DATA-DIR)
FLAGS
--data-dir=DATA_DIR
The directory to be used to store/retrieve data/config for an emulator run. The default value is <USER_CONFIG_DIR>/emulators/datastore. The value of USER_CONFIG_DIR can be found by running: 
gcloud info --format='get(config.paths.global_config_dir)'
GCLOUD WIDE FLAGS
These flags are available to all commands: --access-token-file, --account, --billing-project, --configuration, --flags-file, --flatten, --format, --help, --impersonate-service-account, --log-http, --project, --quiet, --trace-token, --user-output-enabled, --verbosity.

Run $ gcloud help for details.

NOTES
This command is currently in beta and might change without notice. This variant is also available: 
gcloud alpha emulators datastore env-init