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  1. Prepare a Globus endpoint, as described in Preparing to Use Globus with DME.

  2. Consider how you want to specify the Globus endpoint:

    • If you want to use the default Globus endpoint in your hpcdme.properties file, as described in Getting Started with DME CLU, plan to omit the endpoint from the command. 
    • If you want to specify a different Globus endpoint, plan to include the endpoint in the command.

  3. Consider whether you want to download a single data file or multiple data files: 

    • To download a single data file: Plan to specify the path for that data file in the command. 
    • To download multiple data files: In your file system, create a file that lists the paths for all of the DME data files you want to download, delimited by newline. Plan to use the -f option to specify that file in the command. 

  4. If you are using Cygwin on Windows and downloading multiple data files, run the following command in Cygwin to change end-of-line delimiters from Windows standard to Unix standard in the file list: 

    Code Block
    sed -i "s/\r$//" <file-list>

  5. Run the following command:

    Code Block
    dm_download_dataobject_globus [optional parameters] [archive-path] <globus-destination-path> [globus-endpoint]

    The following table describes each parameter:

    ParameterDescription
    [-D <REST-response>]

    An optional parameter, specifying a path and filename in your file system. The system always creates a response file:

    • If you specify this parameter, the system saves the response from the server to the specified file in the specified location.
    • If you omit this parameter, the system saves the file as download-dataobject-response-header.tmp in your home directory.
    [-o <output-json-file>]

    An optional parameter, specifying a path and filename in your file system. The system always creates an output file:

    • If you specify this parameter, the system saves the output to the specified file in the specified location.
    • If you omit this parameter, the system saves the output as download-dataobject-response-message.json.tmp in your home directory.

    If the command is successful, the output file is empty.

    [-f <paths-file>]
    or
    [archive-path]

    One or more paths within DME. Select one of the following methods to specify the data file or data files that you want to download:

    • To specify multiple data files, use the -f parameter to specify a path and filename in your file system, of a file that lists the paths for all of the DME data files you want to download, delimited by newline.
    • To specify a single data file, specify the path for the DME data file you want to download.
    <globus-destination-path>
    		A path from the Globus endpoint. Specify where you want the system to create the downloaded file or files.
    [globus-endpoint]
    		The UUID of the Globus endpoint that you want to use, if not the one specified in your hpcdme.properties file, as described in Getting Started with DME CLU. (The following instructions may be helpful: Copying the Globus Shared Endpoint UUID.)

The following example downloads a data.txt data file from the Project_1 collection in DME to the root of the Globus endpoint specified in the hpcdme.properties file. 

...

Code Block
titleContents of collection-list.txt File
/Example_Archive/PI_Lab2/Project_1/data.txt 
/Example_Archive/PI_Lab2/Project_2/image.jpg 
/Example_Archive/PI_Lab3/Project_1/image.png

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