tldr/pages/common/rhash.md

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# rhash
> Calculate or check common message digests.
> More information: <https://rhash.sourceforge.net/manpage.php>.
- Calculate default CRC32 digests of a file:
`rhash {{path/to/file}}`
- Recursively process a directory to generate an SFV file using SHA1:
`rhash --sha1 --recursive {{path/to/folder}} > {{path/to/output.sfv}}`
- Verify the integrity of files based on an SFV file:
`rhash --check {{path/to/file.sfv}}`
- Calculate the SHA3 digest of a text message:
`rhash --sha3-256 --message '{{message}}'`
- Calculate CRC32 digest of a file and output digest encoded in base64 using BSD format:
`rhash --base64 --bsd {{path/to/file}}`
- Use custom output template:
`rhash --printf '{{%p\t%s\t%{mtime}\t%m\n}}' {{path/to/file}}`