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warc2html

Converts WARC files to static html while rewriting links to relative paths suitable for browsing offline or rehosting on a standard web server.

Limitations:

  • Links in JavaScript are not rewritten
  • Assumes there's only one snapshot of each URL in the input
  • Does not handle resource records (yet)

Usage

To convert a file named input.warc.gz to static HTML:

java -jar warc2html.jar -o output/ input.warc.gz

Alternatively if you'd like to convert a subset of records you can supply a list of records in CDX11 format and the path or URL where the corresponding WARC files are stored:

java -jar warc2html.jar -o output/ -b http://server/warcs/ input.cdx

Compiling

Install OpenJDK 11 or later and Apache Maven then compile with:

mvn package

File renaming

Files are renamed to remove characters like "?" that are disallowed on some systems. File extensions are updated or added based on the Content-Type header according to these rules.

URLs ending in / will be saved as index.html. Where two WARC records would produce the same filename they are disambiguated by adding a number like ~1, ~2, ~3 to the end of the filename.

License

Copyright 2021 National Library of Australia
License: Apache 2.0