{
    "mode": "info",
    "parameter": "b2sum",
    "section": "",
    "url": "https://www.chedong.com/phpMan.php/info/b2sum/json",
    "generated": "2026-09-17T05:29:37Z",
    "sections": {
        "File: coreutils.info,  Node: b2sum invocation,  Next: sha1sum invocation,  Prev: md5sum invocation,  Up: Summarizing files": {
            "content": "",
            "subsections": [
                {
                    "name": "6.5 'b2sum': Print or check BLAKE2 digests",
                    "content": "'b2sum' computes a 512-bit checksum for each specified FILE.\n\nIf a FILE is specified as '-' or if no files are given 'b2sum'\ncomputes the checksum for the standard input.  'b2sum' can also\ndetermine whether a file and checksum are consistent.  Synopsis:\n\nb2sum [OPTION]... [FILE]...\n\n'b2sum' uses the 'Untagged output format' for each specified file, as\ndescribed at *note cksum output modes::.\n\nThe program accepts *note cksum common options::.  Also see *note\nCommon options::.\n\nIn addition 'b2sum' supports the following options.\n\n'-l'\n'--length'\nChange (shorten) the default digest length.  This is specified in\nbits and thus must be a multiple of 8.  This option is ignored when\n'--check' is specified, as the length is automatically determined\nwhen checking.\n"
                }
            ]
        }
    },
    "flags": [],
    "examples": [],
    "see_also": []
}