# Install cfv with Homebrew, MacPorts, Nix

Test and create various files (e.g., .sfv, .csv, .crc., .torrent). Version 3.2.0 via Homebrew; verified from local package data.

## Install

```sh
sudo av install brew:cfv
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install cfv
```

  Evidence: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install cfv
```

  Evidence: MacPorts ports tree: security/cfv/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- Nix (92%):

```sh
nix profile install nixpkgs#cfv
```

  Evidence: nixpkgs package indexes: pkgs/by-name/cf/cfv/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1

## Package facts

- **Package key:** brew:cfv
- **Package manager:** Homebrew
- **Package manager page:** <https://formulae.brew.sh/formula/cfv>
- **Version:** 3.2.0
- **Source summary:** Test and create various files (e.g., .sfv, .csv, .crc., .torrent)
- **Homepage:** <https://github.com/cfv-project/cfv>
- **Repository:** <https://github.com/cfv-project/cfv>
- **Upstream docs:** <https://github.com/cfv-project/cfv/blob/python3/README.md>
- **License:** GPL-2.0-or-later
- **Source archive:** <https://files.pythonhosted.org/packages/90/e2/4982f414f04c47c5344739ecc6dfd70fe75139d0672e0b080929aea309f9/cfv-3.2.0.tar.gz>
- **Generated:** 2026-07-08T07:18:31+00:00

## Executables

- cfv (cli)
- cfv (alias)

## Dependencies

- python@3.14

## Install behavior

- Post-install hook: not defined
- Bottle: available on all

## Freshness

- Page generated: 2026-07-08
- Package-manager version: 3.2.0
- Local data: ok
- Upstream repository: https://github.com/cfv-project/cfv
- info: No package-manager update timestamp was available.
- info: No cached GitHub release or tag data was available.
## Project history and usage

cfv is a command-line file verification utility for creating and checking checksum files used around archives, releases, and file-sharing workflows.

### Project history

The maintained cfv project describes itself as a friendly fork of Matthew Mueller's original cfv, maintained by Lisa Gnedt. Its manual page still carries the older utility's shape: a single command for testing and creating many checksum-file formats.

### Adoption history

The project documents distribution through PyPI and mentions operating-system packaging paths such as Arch Linux, FreeBSD ports, and NixOS. The input package facts also show package-manager entries for Homebrew, MacPorts, and Nix.

### How it is used

cfv is used to verify that files match checksum manifests and to create manifests in formats including SFV, CSV, CRC, MD5, SHA-family sums, BLAKE3 b3sum files, BitTorrent metainfo files, and test-only PAR/PAR2 files.

### Why package nerds care

For package and archive maintainers, cfv is interesting because it covers several checksum dialects in one small CLI, including formats that ordinary coreutils checksum commands do not create or parse.

### Timeline

- 2005: The cfv man page was dated 05 Feb 2005.
- Python 3 era: The cfv-project fork documents Python >= 3.7 support and points Python 2 users to a separate branch.

### Related projects

- The README compares cfv with GNU coreutils checksum commands, cksfv, RHash, aria2c, bsdsfv, pure-sfv, and bcfv.

### Sources

- <https://api.github.com/repos/cfv-project/cfv>
- <https://github.com/cfv-project/cfv>
- <https://github.com/cfv-project/cfv/blob/python3/README.md>
- <https://github.com/cfv-project/cfv/blob/python3/cfv.1>
- <https://formulae.brew.sh/api/formula/cfv.json>


## Security Notes

narrow executable package without higher-risk signals.

- **Geiger risk:** green / low
- narrow executable package without higher-risk signals


## Configuration and credential file locations

These source-backed paths show where this package keeps local settings or durable credentials. Automic Vault can use them as review targets for secret scanning, migration, and command approval.


## Configuration files

- Unix: ~/.cfvrc, ~/_cfvrc
## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** cfv
- **Version Scheme:** 0
- **Revision:** 0
- **Bottle Stable Root URL:** <https://ghcr.io/v2/homebrew/core>
- **Deprecated:** no
- **Disabled:** no
- **Keg Only:** no
- **URL Keys:** stable

## Other Package-Manager Records

- Nix - cfv: normalized package name match | nixpkgs package indexes: pkgs/by-name/cf/cfv/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- MacPorts - cfv: normalized package name match | MacPorts ports tree: security/cfv/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Related links

- [Cloud CLI packages](https://www.automicvault.com/pkg/cloud-clis/) - Belongs to a cloud or infrastructure command family.
- [Source-control packages](https://www.automicvault.com/pkg/source-control-tools/) - Belongs to a source-control command family.
- [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [python@3.14](https://www.automicvault.com/pkg/brew/python-3-14/) - Runtime dependency declared by Homebrew.
- [cfn-format](https://www.automicvault.com/pkg/brew/cfn-format/) - Shares av.db curated category or tags: aws, cli, cloud-infrastructure, cloudformation, infrastructure-as-code.
- [cfnctl](https://www.automicvault.com/pkg/brew/cfnctl/) - Shares av.db curated category or tags: aws, cli, cloud-infrastructure, cloudformation, infrastructure-as-code.
- [cfn-flip](https://www.automicvault.com/pkg/brew/cfn-flip/) - Shares av.db curated category or tags: aws, cli, cloud-infrastructure, cloudformation.
- [cloudformation-cli](https://www.automicvault.com/pkg/brew/cloudformation-cli/) - Shares av.db curated category or tags: aws, cli, cloud-infrastructure, cloudformation, infrastructure-as-code.
- [eksctl](https://www.automicvault.com/pkg/brew/eksctl/) - Shares av.db curated category or tags: aws, cli, cloud-infrastructure, cloudformation.
- [basti](https://www.automicvault.com/pkg/brew/basti/) - Shares av.db curated category or tags: aws, cli, cloud-infrastructure.
- [cf2tf](https://www.automicvault.com/pkg/brew/cf2tf/) - Shares av.db curated category or tags: aws, cli, cloud-infrastructure, cloudformation, infrastructure-as-code.
- [e1s](https://www.automicvault.com/pkg/brew/e1s/) - Shares av.db curated category or tags: aws, cli, cloud-infrastructure.

## Combined YAML source

View the package source record on GitHub. [combined/cfv.yml](https://github.com/automic-vault/db/blob/main/combined/cfv.yml)


## Sources

- Nucleus package database
- Geiger risk classifier
- package-page enrichment
- curated configuration and credential file locations
- curated package history
- package version freshness
- av.db category and tag curation
- package relationship graph
- external package-manager database matches
- cross-ecosystem install command graph
