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You can also use the CLU to create an empty collection.
The character limit for each metadata value is 2700.
The following table compares the functionality available with each command:
Command | Command Allows You To | File Size | Metadata Extraction1 |
---|---|---|---|
dm_register_dataobject (Using dm_register_dataobject and Updating Data File Metadata via the CLU) | Register a new file with metadata. or Update metadata of an existing file. | Up to 2 TB from Globus, AWS S3, or Google Cloud storage or Up to 10 GB from file local system | Yes, for file local system |
dm_register_dataobject_presigned | Register a new file with metadata. | Up to 2 GB (recommendation) from file local system | No |
dm_register_dataobject_multipart | Register a new file with metadata. | Up to 2 TB from file local system | No |
dm_register_collection (Creating an Empty Collection via the CLU and Updating Collection Metadata via the CLU) | Register a new collection with metadata. or Update metadata for an existing collection. | NA | NA |
dm_register_directory (Registering Directory Contents from Your File Local System via the CLU) | Register a new collection from a specified directory (including subdirectories and files) with metadata. | Up to 2 TB from file local system | Yes |
Footnote 1: In the Metadata Extraction column, a "Yes" indicates you can extract metadata from the header of TIFF or BMP image files.