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31 lines
788 B
Markdown
31 lines
788 B
Markdown
# shasum
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> Calculate or check cryptographic SHA checksums.
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- Calculate the SHA1 checksum for a file:
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`shasum {{path/to/file}}`
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- Calculate the SHA256 checksum for a file:
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`shasum --algorithm 256 {{path/to/file}}`
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- Calculate the SHA512 checksum for multiple files:
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`shasum --algorithm 512 {{path/to/file1}} {{path/to/file2}}`
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- Calculate and save the list of SHA256 checksums to a file:
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`shasum --algorithm 256 {{path/to/file1}} {{path/to/file2}} > {{path/to/file.sha256}}`
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- Check a file with a list of sums against the directory's files:
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`shasum --check {{path/to/file}}`
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- Check a list of sums and only show a message for files for which verification fails:
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`shasum --check --quiet {{path/to/file}}`
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- Calculate the SHA1 checksum from stdin:
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`{{some_command}} | shasum`
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