🔍 Kryptorious LogGuard

Log file analyzer CLI — scan, tail, and get stats from JSON, plain text, and CSV log files. Built for developers who need to troubleshoot fast.

🚀 Quick Start

npm install -g kryptorious-logguard

📋 Commands

logguard scan <file>

Scan a log file for errors, warnings, and custom patterns.

# Auto-detect format and scan for errors/warnings
logguard scan app.log

# Scan with a custom regex pattern
logguard scan app.log --pattern "timeout|connection refused" --ignore-case

# Show 3 lines of context around each match
logguard scan app.log --context 3

# Scan JSON logs with explicit format
logguard scan logs.json --format json

logguard stats <file>

Get detailed statistics about your log file.

# Basic stats
logguard stats app.log

# Show top 10 most frequent error messages
logguard stats app.log --top-errors 10

# Stats for JSON logs (includes time-range estimation)
logguard stats production.jsonl --format json

logguard tail <file>

Tail the end of a log file, with live-follow support.

# Show last 50 lines
logguard tail app.log --lines 50

# Follow the file (like tail -f)
logguard tail app.log --follow

# Filter to errors only
logguard tail app.log --errors-only

# Filter by pattern
logguard tail app.log --pattern "POST /api" --follow

🎯 Supported Formats

| Format | Extensions | Description | |--------|-----------|-------------| | Text | .log, .txt, .out | Plain text log files (auto-detected by default) | | JSON | .json, .jsonl | JSON and JSON Lines logs with timestamp extraction | | CSV | .csv | CSV log exports |

📊 Example Output

🔍 Scanning: app.log (format: text)

  ❌ [ERROR] Ln 42: [2024-08-15 14:32:10] ERROR: Connection timeout to db.example.com:5432
  ❌ [ERROR] Ln 87: [2024-08-15 14:33:45] FATAL: Out of memory
  ⚠️ [WARN]  Ln 103: [2024-08-15 14:34:01] WARNING: Deprecated API v1 used

📊 Summary: 3 issue(s) found in 250 lines.

⭐ Premium Features

Unlock the full power of LogGuard with our $9 lifetime license:

• 🔧 Custom rule definitions — define your own error/warning patterns in .logguardrc.json
• 📊 Team dashboards — aggregate log stats across multiple servers
• 🤖 AI-powered anomaly detection — detect unusual patterns automatically
• 📧 Priority support — get help directly from the Kryptorious team
• 🔄 Export reports — generate PDF/HTML audit reports

👉 Get Premium — $9 Lifetime

🔗 Links

• Premium License: kryptorious.gumroad.com/l/jbvet
• GitHub: github.com/CodeGero/kryptorious-logguard
• npm: npmjs.com/package/kryptorious-logguard

📜 License

MIT © Kryptorious