Scroll to navigation

datalad extract-metadata(1) datalad datalad extract-metadata(1)

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 [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 [Default: None]

-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) [Default: None]

AUTHORS

datalad is developed by The DataLad Team and Contributors <team@datalad.org>.
2019-05-24