Function reference • hathiTools

Connecting to the Hathi Trust Bookworm Functions for connecting to the Hathi Trust Bookworm at https://bookworm.htrc.illinois.edu/develop/ and downloading word frequency data.
`query_bookworm()`	Queries the Hathi Trust Bookworm Server at https://bookworm.htrc.illinois.edu/develop/
Building Worksets using the Workset Builder 2.0 Functions for connecting to the Hathi Trust Workset Builder 2.0 at https://solr2.htrc.illinois.edu/solr-ef/ and downloading Hathi Trust IDs matching specific criteria and their metadata.
`get_workset_meta()`	Get metadata for a set of Hathi Trust IDs
`workset_builder()`	Builds a Workset of Hathi Trust vol IDs by querying the Workset Builder 2.0
`browse_htids()`	Browse a set of Hathi Trust IDs interactively at the Hathi Trust digital library site
Syncing Hathi Trust Extracted Features files Functions for syncing selected Extracted Features files to your local machine from the Hathi Trust rsync server and caching them in a fast-loading format.
`htid_to_rsync()`	Converts a list of htids to relative paths for rsync to download
`rsync_from_hathi()`	rsync Hathi Trust EFs from Hathi Trust
`cache_htids()`	Caches downloaded JSON Extracted Features files to another format
`clear_cache()`	Removes cached files for a set of Hathi Trust ids
`find_cached_htids()`	Finds cached Extracted Features files for a set of HT ids
`read_cached_htids()`	Read Cached HTIDs
Downloading and working with a big hathifile Functions for downloading and working with one of the big ‘hathifiles’ (metadata for over 17 million records) at https://www.hathitrust.org/hathifiles.
`download_hathifile()`	Downloads the Hathi Trust big hathifile
`load_raw_hathifile()`	Loads the raw hathifile into memory
`add_imputed_date()`	Add imputed date
Working with a single Hathi Trust Extracted Features file Functions for downloading and working with the Extracted Features file for a single Hathi Trust volume.
`get_hathi_counts()`	Reads the downloaded extracted features file for a given Hathi Trust id
`get_hathi_meta()`	Reads the volume-level metadata of a single downloaded Hathi Trust extracted features file
`get_hathi_page_meta()`	Reads the page-level metadata of a single Hathi Trust Extracted Features file
Datasets
`fiction`	Fiction Dataset
`drama`	Drama Dataset
`poetry`	Poetry Dataset
`iso639`	ISO639 language codes

Reference

Connecting to the Hathi Trust Bookworm

Building Worksets using the Workset Builder 2.0

Syncing Hathi Trust Extracted Features files

Downloading and working with a big hathifile

Working with a single Hathi Trust Extracted Features file

Datasets