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sha224sum:tldr:714ec

sha224sum: Only show a message when verification fails, ignoring missing files.

sha224sum

$ sha224sum --ignore-missing --check --quiet ${filename-sha224}

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This command is using the sha224sum utility to perform a checksum verification of a file in the SHA-224 format.

Here's a breakdown of the command:

sha224sum: It is the command that calculates and checks the SHA-224 checksum of a file.
--ignore-missing: This option instructs sha224sum to ignore the missing files. If the specified file doesn't exist, it won't generate an error.
--check: It tells sha224sum to check the checksums of the specified files.
--quiet: This option suppresses the normal output of sha224sum and only prints the final summary. It is used to obtain a concise result.
${filename-sha224}: It is a variable used to represent the name of the file for which the SHA-224 checksum will be checked. The ${} syntax indicates the usage of a variable.

So, overall, the command is checking the SHA-224 checksum of the file represented as ${filename-sha224} while ignoring any missing files, and the output is presented quietly without any extra information.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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