{"success":true,"data":{"ext":"cmus","name":"CMUS","description":"CMUS is a legacy multimedia file format associated with Carnegie Mellon University and its historical software tools. It was used for storing structured audio, animation, or scene data in research and educational environments. The format is generally safe to inspect, but support is limited and modern applications may not open it correctly; files from untrusted sources should be handled with the same caution as other obsolete media formats.","mime":[],"risk_level":"Safe","signatures":[{"hex":"46 4F 52 4D","offset":0,"sources":[{"name":"Wikipedia","url":"https://en.wikipedia.org/wiki/List_of_file_signatures"}]},{"hex":"43 4D 55 53","offset":0,"sources":[{"name":"Wikipedia","url":"https://en.wikipedia.org/wiki/List_of_file_signatures"}]}],"related":[],"usage":{"python":"def is_cmus(file_path: str) -> bool:\n    \"\"\"Check if file is a valid CMUS by magic bytes.\"\"\"\n    signature = bytes([0x46, 0x4F, 0x52, 0x4D])\n    with open(file_path, \"rb\") as f:\n        return f.read(4) == signature","node":"function isCMUS(buffer: Buffer): boolean {\n  const signature = Buffer.from([0x46, 0x4F, 0x52, 0x4D]);\n  return buffer.subarray(0, 4).equals(signature);\n}","go":"func IsCMUS(data []byte) bool {\n    signature := []byte{0x46, 0x4F, 0x52, 0x4D}\n    if len(data) < 4 {\n        return false\n    }\n    return bytes.Equal(data[:4], signature)\n}"}}}