https://github.com/codezombiech/multisum

A small utility that creates multiple checksum file in a single read operation
https://github.com/codezombiech/multisum

Last synced: 28 days ago
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A small utility that creates multiple checksum file in a single read operation

• Host: GitHub
• URL: https://github.com/codezombiech/multisum
• Owner: CodeZombieCH
• License: gpl-3.0
• Created: 2025-03-29T11:08:17.000Z (about 1 year ago)
• Default Branch: master
• Last Pushed: 2025-03-29T11:34:33.000Z (about 1 year ago)
• Last Synced: 2026-03-03T08:44:41.604Z (4 months ago)
• Language: Go
• Size: 19.5 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# multisum

`multisum` is a small utility that creates multiple checksum files in a single read operation.

The calculated checksum files have the same format as the output generated by the GNU Coreutils `md5sum`, `sha256sum`, `sha512sum` and alike (to be precise, the [Untagged output format](https://www.gnu.org/software/coreutils/manual/html_node/cksum-output-modes.html)). To validate files with the created checksum files, these utils should be used (e.g. `sha256sum --check SHA256SUMS`).

## Usage

    multisum   --target  

where:

- `` is at least one of the supported hashes to calculate checksums for

    - `--md5`

    - `--sha1`

    - `--sha256`

    - `--sha512`

- `` is one of the checksum output modes

    - `--binary` print checksums in binary mode (*), default

    - `--text` print checksums in text mode ( )

- `` is the target directory to write the checksum files (e.g. SHA256SUMS file)

- `` is the source directory to create the checksum files for

### Example

    multisum --sha256 --sha512 --target ./checksums/photos ~/photos

This will create a `SHA256SUMS` and `SHA512SUMS` file in the `./checksums/photos` directory for all the files in the `~/photos` directory.