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marcxmlr: Faithful and Scalable MARCXML Parsing

Parses Machine-Readable Cataloging ('MARC 21') XML <https://www.loc.gov/standards/marcxml/> into a canonical tidy long representation while preserving leaders, control fields, data fields, indicators, repeated fields, repeated subfields, and source order. Provides an in-memory reader for manageable catalogues and a bounded-memory converter that writes larger collections as 'Parquet' datasets, with optional local parallel processing.

Version: 0.2.1
Depends: R (≥ 4.1.0)
Imports: purrr (≥ 1.0.0), rlang, stats, tibble (≥ 3.0.0), xml2 (≥ 1.3.0)
Suggests: arrow, dplyr, future (≥ 1.69.0), future.mirai, futurize, furrr, mori, testthat (≥ 3.0.0), XML
Published: 2026-09-20
DOI: 10.32614/CRAN.package.marcxmlr
Author: Lorenzo Isella [aut, cre]
Maintainer: Lorenzo Isella <lorenzo.isella at gmail.com>
BugReports: https://github.com/larry77/marcxmlr/issues
License: MIT + file LICENSE
URL: https://github.com/larry77/marcxmlr
NeedsCompilation: yes
SystemRequirements: libxml2 (>= 2.9.0)
Language: en-US
Materials: README, NEWS
CRAN checks: marcxmlr results

Documentation:

Reference manual: marcxmlr.html , marcxmlr.pdf

Downloads:

Package source: marcxmlr_0.2.1.tar.gz
Windows binaries: r-devel: marcxmlr_0.1.0.zip, r-release: marcxmlr_0.1.0.zip, r-oldrel: marcxmlr_0.1.0.zip
macOS binaries: r-release (arm64): marcxmlr_0.2.1.tgz, r-oldrel (arm64): marcxmlr_0.2.1.tgz, r-release (x86_64): marcxmlr_0.2.1.tgz, r-oldrel (x86_64): marcxmlr_0.2.1.tgz
Old sources: marcxmlr archive

Linking:

Please use the canonical form https://CRAN.R-project.org/package=marcxmlr to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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