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datalad extract-metadata(1) General Commands Manual datalad extract-metadata(1)


datalad extract-metadata - run one or more of DataLad's metadata extractors on a dataset or file.


datalad extract-metadata [-h] --type NAME [-d DATASET] [--version] [FILE ...]


The result(s) are structured like the metadata DataLad would extract during metadata aggregation. There is one result per dataset/file.


Extract metadata with two extractors from a dataset in the current directory and also from all its files::

$ datalad extract-metadata -d . --type frictionless_datapackage --type datalad_core

Extract XMP metadata from a single PDF that is not part of any dataset::

$ datalad extract-metadata --type xmp Downloads/freshfromtheweb.pdf


Path of a file to extract metadata from. Constraints: value must be a string or value must be NONE

show this help message. --help-np forcefully disables the use of a pager for displaying the help message
Name of a metadata extractor to be executed. This option can be given more than once.
"Dataset to extract metadata from. If no FILE is given, metadata is extracted from all files of the dataset. Constraints: Value must be a Dataset or a valid identifier of a Dataset (e.g. a path) or value must be NONE
show the module and its version which provides the command


datalad is developed by The DataLad Team and Contributors <>.

2022-09-29 datalad extract-metadata 0.17.6