Log Summary Date Ranges

This skill provides guidance for tasks that require analyzing log files and producing summary reports with counts aggregated across date ranges and severity levels.

When to Use This Skill

This skill applies when:

• Parsing log files organized by date (e.g., YYYY-MM-DD_source.log)
• Counting log entries by severity level (ERROR, WARNING, INFO, DEBUG)
• Aggregating counts across multiple date ranges (today, last N days, total)
• Outputting results in structured CSV format

Recommended Approach

Phase 1: Exploration

Before writing any code, explore the data structure to understand: