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* *sum: update pages to make them consistent * shasum: remove redundant option * shasum: update page
32 lines
915 B
Markdown
32 lines
915 B
Markdown
# md5sum
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> Calculate MD5 cryptographic checksums.
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> More information: <https://www.gnu.org/software/coreutils/md5sum>.
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- Calculate the MD5 checksum for one or more files:
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`md5sum {{path/to/file1 path/to/file2 ...}}`
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- Calculate and save the list of MD5 checksums to a file:
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`md5sum {{path/to/file1 path/to/file2 ...}} > {{path/to/file.md5}}`
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- Calculate an MD5 checksum from `stdin`:
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`{{command}} | md5sum`
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- Read a file of MD5 checksums and filenames and verify all files have matching checksums:
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`md5sum --check {{path/to/file.md5}}`
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- Only show a message for missing files or when verification fails:
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`md5sum --check --quiet {{path/to/file.md5}}`
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- Only show a message when verification fails, ignoring missing files:
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`md5sum --ignore-missing --check --quiet {{path/to/file.md5}}`
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- Check a known MD5 checksum of a file:
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`echo {{known_md5_checksum_of_the_file}} {{path/to/file}} | md5sum --check`
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