CTAN Comprehensive TeX Archive Network

Help on CTAN

How can I get package data into a program?

The central information from the Catalogue is maintained in the form of XML files. These contain data about

  • Packages
  • Authors
  • Topics

For the purpose of the portal these XML files are imported into a database. In the other direction the database can be queried to retrieve the major data in the form of the original XML files. The URLs and a description of the file formats can be found under Query­ing CTAN with XML.

In addition to XML another interface with JSON is available. The URLs and a description of the file format can be found under Query­ing CTAN with JSON.

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