CmdID

CmdID / Commands

b2sum

Calculate BLAKE2 cryptographic checksums. tldr-pages

On several platforms

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Several platforms

from tldr-pages, CC BY 4.0

Calculate the BLAKE2 checksum for one or more files

b2sum path/to/file1 path/to/file2 ...Identify

Calculate and save the list of BLAKE2 checksums to a file

b2sum path/to/file1 path/to/file2 ... >path/to/file.b2Identify

Calculate a BLAKE2 checksum from stdin

command | b2sumIdentify

Read a file of BLAKE2 checksums and filenames and verify all files have matching checksums

b2sum --check path/to/file.b2Identify

Only show a message for missing files or when verification fails

b2sum --check --quiet path/to/file.b2Identify

Only show a message when verification fails, ignoring missing files

b2sum --ignore-missing --check --quiet path/to/file.b2Identify

Check a known BLAKE2 checksum of a file

echo known_blake2_checksum_of_the_file path/to/file | b2sum --checkIdentify