{
  "description": "Ensure POSIX compliance by adding final newlines to files",
  "hooks": {
    "PostToolUse": [
      {
        "matcher": "Write|Edit|MultiEdit",
        "hooks": [
          {
            "type": "command",
            "command": "file_path=$(grep -o '\"file_path\":\"[^\"]*\"' | sed 's/\"file_path\":\"\\(.*\\)\"/\\1/'); if [ -f \"$file_path\" ] && [ -n \"$(tail -c1 \"$file_path\")\" ]; then echo >> \"$file_path\"; fi",
            "timeout": 5
          }
        ]
      }
    ]
  }
}