2014-07-22 17:56:22 +08:00
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# sha1sum
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2016-01-07 18:31:27 +01:00
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> Calculate SHA1 cryptographic checksums.
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2021-04-01 17:54:26 +02:00
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> More information: <https://www.gnu.org/software/coreutils/sha1sum>.
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2014-07-22 17:56:22 +08:00
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2023-05-19 11:34:36 +02:00
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- Calculate the SHA1 checksum for one or more files:
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2014-07-22 17:56:22 +08:00
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2023-05-19 11:34:36 +02:00
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`sha1sum {{path/to/file1 path/to/file2 ...}}`
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2016-01-20 03:45:42 -08:00
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2023-05-19 11:34:36 +02:00
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- Calculate and save the list of SHA1 checksums to a file:
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2016-01-20 03:45:42 -08:00
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2023-05-19 11:34:36 +02:00
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`sha1sum {{path/to/file1 path/to/file2 ...}} > {{path/to/file.sha1}}`
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2014-07-22 17:56:22 +08:00
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2023-05-19 11:34:36 +02:00
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- Calculate a SHA1 checksum from `stdin`:
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2020-12-18 15:14:04 +01:00
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2023-05-20 04:11:11 +02:00
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`{{command}} | sha1sum`
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2020-12-18 15:14:04 +01:00
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2023-05-19 11:34:36 +02:00
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- Read a file of SHA1 sums and filenames and verify all files have matching checksums:
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2014-07-22 17:56:22 +08:00
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2021-09-03 12:31:29 -07:00
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`sha1sum --check {{path/to/file.sha1}}`
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2020-12-18 13:47:34 +01:00
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2022-03-28 16:21:41 +02:00
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- Only show a message for missing files or when verification fails:
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2020-12-18 13:47:34 +01:00
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2021-09-03 12:31:29 -07:00
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`sha1sum --check --quiet {{path/to/file.sha1}}`
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2022-03-28 16:21:41 +02:00
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2023-05-19 11:34:36 +02:00
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- Only show a message when verification fails, ignoring missing files:
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2022-03-28 16:21:41 +02:00
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`sha1sum --ignore-missing --check --quiet {{path/to/file.sha1}}`
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