High-level API commands

These commands provide and improved and extended equivalent to the metadata and aggregate_metadata commands (and the primitive extract-metadata plugin) that ship with the DataLad core package.

Commandline reference

• datalad meta-add
• datalad meta-extract
• datalad meta-aggregate
• datalad meta-dump
• datalad meta-conduct
• datalad meta-filter

Python module reference

meta_add(metadata, int, float, bool, None, …)	Add metadata to a dataset.
meta_extract(extractorname, path, dataset, …)	Run a metadata extractor on a dataset or file.
meta_aggregate([dataset, path])	Aggregate metadata of one or more sub-datasets for later reporting.
meta_dump([dataset, path, recursive])	Dump a dataset’s aggregated metadata for dataset and file metadata
meta_conduct(configuration, int, float, …)	Conduct the execution of a processing pipeline
meta_filter(filtername, metadataurls, …)	Run a metadata filter on a set of metadata elements.