Log Analyzer

Analyze log files to extract insights, errors, and patterns. Use when user needs to debug application errors, find patterns in server logs, analyze access logs, extract metrics from log files, or create log summaries.

Analyze log files to extract insights, errors, and patterns.

Quick Start

bash

# Analyze a log file
python scripts/analyze.py /var/log/app.log

# Find errors
python scripts/analyze.py /var/log/app.log --errors

# Generate summary
python scripts/analyze.py /var/log/app.log --summary

Usage

bash

python scripts/analyze.py LOG_FILE [OPTIONS]

Options:
  --errors         Show only error lines
  --warnings       Show warning lines
  --pattern REGEX  Search for pattern
  --summary        Show summary statistics
  --json           Output as JSON
  --lines NUM      Number of lines to show

Examples

bash

# Find all errors
python scripts/analyze.py app.log --errors

# Search for specific pattern
python scripts/analyze.py app.log --pattern "user_id=.*"

# Get summary
python scripts/analyze.py access.log --summary

# Output JSON
python scripts/analyze.py app.log --json --output analysis.json

Log Formats Supported

• Apache/Nginx access logs
• Application logs (timestamp + level + message)
• JSON logs
• Syslog format

Features

• Error/warning extraction
• Pattern matching with regex
• Statistical summaries
• JSON output
• Timestamp parsing