{"success":true,"data":{"ext":"bz2","name":"bzip2compressed archive","description":"Bzip2 is a lossless data compression format created by Julian Seward and maintained as an open-source project. It is commonly used to compress individual files for distribution, software archives, backups, and Unix and Linux command-line workflows. The format is generally safe, but decompression of untrusted files can still consume significant memory or CPU resources; it is also older than some newer compression formats.","mime":["application/x-bzip2"],"risk_level":"Safe","signatures":[{"hex":"42 5A 68","offset":0,"sources":[{"name":"Wikipedia","url":"https://en.wikipedia.org/wiki/List_of_file_signatures"},{"name":"Gary Kessler","url":"https://www.garykessler.net/library/file_sigs_GCK_latest.html"}]}],"related":["tbz2","7z","ace","arj","bz","cab"],"usage":{"python":"def is_bz2(file_path: str) -> bool:\n    \"\"\"Check if file is a valid BZ2 by magic bytes.\"\"\"\n    signature = bytes([0x42, 0x5A, 0x68])\n    with open(file_path, \"rb\") as f:\n        return f.read(3) == signature","node":"function isBZ2(buffer: Buffer): boolean {\n  const signature = Buffer.from([0x42, 0x5A, 0x68]);\n  return buffer.subarray(0, 3).equals(signature);\n}","go":"func IsBZ2(data []byte) bool {\n    signature := []byte{0x42, 0x5A, 0x68}\n    if len(data) < 3 {\n        return false\n    }\n    return bytes.Equal(data[:3], signature)\n}"},"category":"Archives"}}