datalad extract-metadata [-h] --type NAME [-d DATASET] [--version] [FILE ...]
Run one or more of DataLad’s metadata extractors on a dataset or 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
-h, -\-help, -\-help-np
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.
-d DATASET, -\-dataset DATASET
“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
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