# RPM Header Reading

- Introduction
- Installing/Configuring
  - Requirements
  - Installation
  - Runtime Configuration
  - Resource Types
- Predefined Constants
- Examples
  - Basic usage
- RPM Reader Functions
  - rpm_close — Closes an RPM file
  - rpm_get_tag — Retrieves a header tag from an RPM file
  - rpm_is_valid — Tests a filename for validity as an RPM file
  - rpm_open — Opens an RPM file
  - rpm_version — Returns a string representing the current version of the rpmreader extension