$ easy.txt missing.md --report json
[exit 2]
--- stdout
{
  "version": "0.2",
  "files": [
    {
      "file": "easy.txt",
      "score": {
        "ari": -4.0,
        "flesch_kincaid": -1.0,
        "gunning_fog": 2.1,
        "consensus": -0.9612,
        "reading_grade": "Grade 0, easy to read",
        "sentences": 3,
        "hard_sentences": 0,
        "very_hard_sentences": 0,
        "adverbs": 0,
        "passive": 0,
        "complex_phrases": 0,
        "verdict": "pass",
        "threshold": null
      },
      "findings": []
    }
  ],
  "skipped": [],
  "errors": [
    {
      "file": "missing.md",
      "message": "no such file or directory"
    }
  ],
  "summary": {
    "files": 2,
    "analyzed": 1,
    "passed": 1,
    "failed": 0,
    "skipped": 0,
    "errors": 1,
    "max_grade": null
  }
}
--- stderr
papa: missing.md: no such file or directory
