NAME¶

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

SYNOPSIS¶

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

DESCRIPTION¶

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

Examples:

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

OPTIONS¶

FILE

Path of a file to extract metadata from. Constraints: value must be a string

-h, --help, --help-np

show this help message. --help-np forcefully disables the use of a pager for displaying the help message

--type NAME

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)

AUTHORS¶

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