B2SUM(1)                                                   User Commands                                                   B2SUM(1)

       b2sum - compute and check BLAKE2 message digest

       b2sum [OPTION]... [FILE]...

       Print or check BLAKE2b (512-bit) checksums.

       With no FILE, or when FILE is -, read standard input.

       Mandatory arguments to long options are mandatory for short options too.

       -b, --binary
              read in binary mode

       -c, --check
              read checksums from the FILEs and check them

       -l, --length=BITS
              digest length in bits; must not exceed the max for the blake2 algorithm and must be a multiple of 8

       --tag  create a BSD-style checksum

       -t, --text
              read in text mode (default)

       -z, --zero
              end each output line with NUL, not newline, and disable file name escaping

   The following five options are useful only when verifying checksums:
              don't fail or report status for missing files

              don't print OK for each successfully verified file

              don't output anything, status code shows success

              exit non-zero for improperly formatted checksum lines

       -w, --warn
              warn about improperly formatted checksum lines

       --help display this help and exit

              output version information and exit

       The  sums  are  computed as described in RFC 7693.  When checking, the input should be a former output of this program.  The
       default mode is to print a line with: checksum, a space, a character indicating input mode ('*' for binary, ' ' for text  or
       where binary is insignificant), and name for each FILE.

       Note: There is no difference between binary mode and text mode on GNU systems.

       Written by Padraig Brady and Samuel Neves.

       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
       Report any translation bugs to <https://translationproject.org/team/>

       Copyright  ©  2022  Free  Software  Foundation,  Inc.   License  GPLv3+:  GNU  GPL  version  3 or later <https://gnu.org/li‐
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.


       Full documentation <https://www.gnu.org/software/coreutils/b2sum>
       or available locally via: info '(coreutils) b2sum invocation'

GNU coreutils 9.1                                           January 2023                                                   B2SUM(1)