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Calculate BLAKE3 cryptographic checksums. More information:

  • Calculate the BLAKE3 checksum for one or more files:

b3sum {{path/to/file1 path/to/file2 ...}}

  • Calculate and save the list of BLAKE3 checksums to a file:

b3sum {{path/to/file1 path/to/file2 ...}} > {{path/to/file.b3}}

  • Calculate a BLAKE3 checksum from stdin:

{{command}} | b3sum

  • Read a file of BLAKE3 sums and filenames and verify all files have matching checksums:

b3sum --check {{path/to/file.b3}}

  • Only show a message for missing files or when verification fails:

b3sum --check --quiet {{path/to/file.b3}}