# RpmInfo

# Introduction

This extension enables you to retrieve information from RPM files or from the installed RPMs database.

It also provides a `rpm` stream wrapper to retrieve RPM content (since version 1.0.0 with librpm >= 4.13).

- Installing/Configuring
  - Requirements
  - Installation via PECL
- Predefined Constants
- RpmInfo Functions
  - rpmaddtag — Add tag retrieved in query
  - rpmdbinfo — Get information from installed RPM
  - rpmdbsearch — Search RPM packages
  - rpmdefine — Define or change a RPM macro value
  - rpmexpand — Retrieve expanded value of a RPM macro
  - rpmexpandnumeric — Retrieve numerical value of a RPM macro
  - rpmgetsymlink — Get target of a symlink
  - rpminfo — Get information from a RPM file
  - rpmvercmp — RPM version comparison

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