Logdissect

Supports grep-like patterns and multiple criteria like time ranges, hosts, and processes, as detailed in the extensive options list for precise log extraction.

Includes built-in parsers for common formats such as syslog, web access logs, and Cisco IOS, enabling versatile analysis without custom code for standard sources.

Intelligently assigns years to timestamps using file modification times, which helps parse logs spanning multiple years, though it requires careful file handling as noted.

Provides a straightforward CLI for quick ad-hoc analysis and a stable Python module for programmatic integration, catering to both interactive and automated workflows.