tldr/pages/common/sha224sum.md

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# sha224sum
> Calculate SHA224 cryptographic checksums.
> More information: <https://www.gnu.org/software/coreutils/manual/html_node/sha2-utilities.html>.
- Calculate the SHA224 checksum for one or more files:
`sha224sum {{path/to/file1 path/to/file2 ...}}`
- Calculate and save the list of SHA224 checksums to a file:
`sha224sum {{path/to/file1 path/to/file2 ...}} > {{path/to/file.sha224}}`
- Calculate a SHA224 checksum from `stdin`:
`{{command}} | sha224sum`
- Read a file of SHA224 sums and filenames and verify all files have matching checksums:
`sha224sum --check {{path/to/file.sha224}}`
- Only show a message for missing files or when verification fails:
`sha224sum --check --quiet {{path/to/file.sha224}}`
- Only show a message when verification fails, ignoring missing files:
`sha224sum --ignore-missing --check --quiet {{path/to/file.sha224}}`