# Install numdiff

Putative files comparison tool. Version 5.9.0 via Homebrew; verified from local package data.

## Install

```sh
sudo av install brew:numdiff
```

Additional install commands:

### macOS

- Homebrew (100%):

```sh
brew install numdiff
```

  Evidence: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install numdiff
```

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

### Linux

- Debian apt (92%):

```sh
sudo apt install numdiff
```

  Evidence: Debian stable package indexes: numdiff from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz

- Nix (92%):

```sh
nix profile install nixpkgs#numdiff
```

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

## Package Facts

- **Package key:** brew:numdiff
- **Package manager:** Homebrew
- **Package manager URL:** <https://formulae.brew.sh/formula/numdiff>
- **Version:** 5.9.0
- **Source summary:** Putative files comparison tool
- **Homepage:** <https://www.nongnu.org/numdiff>
- **Upstream docs:** <https://www.nongnu.org/numdiff/numdiff.html>
- **License:** GPL-3.0-or-later
- **Source archive:** <https://download.savannah.gnu.org/releases/numdiff/numdiff-5.9.0.tar.gz>
- **Generated:** 2026-06-10T07:18:26+00:00

## Executables

- ndselect (cli)
- numdiff (cli)
- ndselect (alias)
- numdiff (alias)

## Dependencies

- gmp

## Install Behavior

- Post-install hook: not defined
- Bottle: available on arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura

## Freshness

- Page generated: 2026-06-10
- Package-manager version: 5.9.0
- Local data status: ok
- Upstream repository: https://www.nongnu.org/numdiff
- info: No package-manager update timestamp was available.
- info: Release/tag comparison is only available for GitHub repositories.

## セキュリティノート

narrow executable package without higher-risk signals.

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

## Source Database Details

- **Source Database:** Homebrew formula API
- **Tap:** homebrew/core
- **Full Name:** numdiff
- **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

- Debian apt - numdiff - 5.9.0-2: normalized package name match | Debian stable package indexes: numdiff from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Compare similar files with numeric fields | https://nongnu.org/numdiff/
- Nix - numdiff: normalized package name match | nixpkgs package indexes: pkgs/by-name/nu/numdiff/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- Ubuntu apt - numdiff - 5.9.0-1: normalized package name match | Ubuntu 24.04 LTS package indexes: numdiff from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz | Compare similar files with numeric fields | http://nongnu.org/numdiff/
- MacPorts - numdiff: normalized package name match | MacPorts ports tree: science/numdiff/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Related Links

- [Terminal utility packages](https://www.automicvault.com/ja/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata.
- [Text processing packages](https://www.automicvault.com/ja/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata.
- [Developer build packages](https://www.automicvault.com/ja/pkg/developer-build-tools/) - Matched build, compiler, generator, or developer workflow metadata.
- [Networking and protocol packages](https://www.automicvault.com/ja/pkg/networking-protocol-tools/) - Matched network, protocol, or remote-service metadata.
- [diffoscope](https://www.automicvault.com/ja/pkg/brew/diffoscope/) - Shares av.db curated category or tags: cli, developer-tools, diff, files.
- [difftastic](https://www.automicvault.com/ja/pkg/brew/difftastic/) - Shares av.db curated category or tags: cli, developer-tools, diff.
- [diffutils](https://www.automicvault.com/ja/pkg/brew/diffutils/) - Shares av.db curated category or tags: cli, developer-tools, diff.
- [diff-so-fancy](https://www.automicvault.com/ja/pkg/brew/diff-so-fancy/) - Shares av.db curated category or tags: cli, developer-tools, diff.
- [colordiff](https://www.automicvault.com/ja/pkg/brew/colordiff/) - Shares av.db curated category or tags: cli, developer-tools, diff.
- [dyff](https://www.automicvault.com/ja/pkg/brew/dyff/) - Shares av.db curated category or tags: cli, developer-tools, diff.
- [sqldiff](https://www.automicvault.com/ja/pkg/brew/sqldiff/) - Shares av.db curated category or tags: cli, developer-tools, diff.
- [icdiff](https://www.automicvault.com/ja/pkg/brew/icdiff/) - Shares av.db curated category or tags: cli, developer-tools, diff.
- [texi2html](https://www.automicvault.com/ja/pkg/brew/texi2html/) - Local package facts share a topical domain. Shared terms: cli, developer, developer-tools, files.

## Sources

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