# file-formula を Homebrew, apk, chocolatey, apt, dnf, MacPorts, Nix, pacman, zypper, scoop, winget でインストール
file-formula のインストール経路、実行ファイル、メタデータ、AI エージェント向けセキュリティノートを確認します。
## インストール
```sh
sudo av install brew:file-formula
```
追加のインストールコマンド:
### macOS
- Homebrew (100%):
```sh
brew install file-formula
```
証拠: local Homebrew formula metadata
- MacPorts (94%):
```sh
sudo port install file
```
証拠: MacPorts ports tree: sysutils/file/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1
### Linux
- apk (92%):
```sh
sudo apk add file
```
証拠: Alpine Linux edge package indexes: file from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz
- Debian apt (92%):
```sh
sudo apt install file
```
証拠: Debian stable package indexes: file from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
- dnf (92%):
```sh
sudo dnf install file
```
証拠: Fedora Rawhide package metadata: file from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst
- Nix (92%):
```sh
nix profile install nixpkgs#file
```
証拠: nixpkgs package indexes: file from https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/top-level/all-packages.nix
- pacman (92%):
```sh
sudo pacman -S file
```
証拠: Arch Linux sync databases: file from https://geo.mirror.pkgbuild.com/core/os/x86_64/core.db.tar.gz
- zypper (92%):
```sh
sudo zypper install file
```
証拠: openSUSE Tumbleweed package metadata: file from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst
### Windows
- Chocolatey (92%):
```sh
choco install file
```
証拠: Chocolatey community package catalog: file from http://community.chocolatey.org/api/v2/Packages?$filter=IsLatestVersion&$select=Id&$top=1000&$skiptoken='8.17','wwphone-cti'
- Scoop (92%):
```sh
scoop install main/file
```
証拠: Scoop official bucket manifest trees: bucket/file.json from https://api.github.com/repos/ScoopInstaller/Main/git/trees/master?recursive=1
- winget (92%):
```sh
winget install --id GnuWin32.File -e
```
証拠: Windows Package Manager source index: GnuWin32.File from https://cdn.winget.microsoft.com/cache/source.msix
## パッケージ情報
- **パッケージキー:** brew:file-formula
- **パッケージマネージャ:** Homebrew
- **バージョン:** 5.48
- **ソース概要:** Utility to determine file types
- **ホームページ:**
- **リポジトリ:**
- **最終更新:** 2026-06-22T14:03:20-07:00
- **生成日時:** 2026-08-03T19:37:03+00:00
## 実行可能ファイル
- file (エイリアス)
## インストール挙動
- Bottle: 利用不可
## バージョンと鮮度
- ページ生成日: 2026-08-03
- マネージャ版: 5.48
## プロジェクトの歴史と使われ方
file is the widely used Unix command and libmagic library for identifying file types from contents rather than names or extensions.
### プロジェクトの歴史
Ian Darwin's official page distinguishes the historical Bell Labs Unix file command from his free reimplementation. It notes that the original command shipped with Bell Labs Unix, including a Research 4th Edition man page from 1973, but was not generally available in source form before Darwin's reimplementation.
Darwin's implementation and magic file began in 1987; the page shows an RCS initial revision dated August 23, 1987. The README describes Release 5.x as Ian Darwin's implementation of the Unix file command and says it knows the magic numbers of several thousand file types.
Maintenance later broadened. The README credits Guy Harris as the prime contributor to Release 3.8, Christos Zoulas as the prime contributor to Release 3.0, and Mans Rullgard as the prime contributor to 4.0, where the code was refactored into libmagic and the file command was rewritten on top of that library.
### 採用の歴史
The official README states that this version is the standard file command for Linux, BSD, and other systems. Darwin's page adds that it ships with most free operating systems, has been ported to systems including DOS, Microsoft Windows, and OS/2, and that OpenBSD uses the project's configuration files even though it maintains its own code.
The supplied package metadata reflects that platform reach, listing packages across Homebrew, Alpine, Debian, Ubuntu, Fedora, MacPorts, Nix, Arch, Scoop, Chocolatey, winget, and openSUSE.
### 使われ方
The command-line use is simple: pass paths to file and receive textual guesses about their data type. The important behavior is that it examines file contents, including filesystem data, magic rules, and hardwired text/encoding checks, rather than relying on filename extensions.
The libmagic split made the same detection engine reusable by other programs without spawning the file command. The README and homepage call out libmagic as a library interface for third-party file-type detection.
### パッケージ好きにとっての重要性
file is one of the core Unix plumbing commands package maintainers take for granted until it is missing, stale, or misdetecting a format. It underpins configure scripts, build systems, MIME/type detection, archive inspection, and debugging sessions.
Its magic database is also culturally important: maintaining file means maintaining a compact, portable folk taxonomy of binary formats, text encodings, archives, executable formats, and application data.
### タイムライン
- 1973: A Research 4th Edition Unix file man page documents the earlier Bell Labs command.
- 1987: Ian Darwin's RCS history records the initial revision of his free implementation.
- Release 3.0: Christos Zoulas contributes major code changes.
- Release 3.8: Guy Harris contributes byte-order independence and other large changes.
- Release 4.0: The code is refactored into libmagic plus a command-line frontend.
- Release 5.x: The README identifies it as the standard file command for Linux, BSD, and other systems.
### Related projects
- file is related to libmagic consumers, MIME detection systems, Unix magic(5) databases, package build tooling, and operating-system file managers that need content-based type detection.
### ソース
-
-
## セキュリティノート
narrow executable package without higher-risk signals.
- **Geiger リスク:** グリーン / 低
- narrow executable package without higher-risk signals
## 他のパッケージマネージャ記録
- MacPorts - file: installed executable or alias match | MacPorts ports tree: sysutils/file/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1
- Debian apt - file - 1:5.46-5: installed executable or alias match | Debian stable package indexes: file from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Recognize the type of data in a file using "magic" numbers | https://www.darwinsys.com/file/
- Debian apt - libmagic-dev - 1:5.46-5: installed executable or alias match | Debian stable package indexes: libmagic-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Recognize the type of data in a file using "magic" numbers - development | https://www.darwinsys.com/file/
- Debian apt - libmagic-mgc - 1:5.46-5: installed executable or alias match | Debian stable package indexes: libmagic-mgc from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | File type determination library using "magic" numbers (compiled magic file) | https://www.darwinsys.com/file/
- Debian apt - libmagic1t64 - 1:5.46-5: installed executable or alias match | Debian stable package indexes: libmagic1t64 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz | Recognize the type of data in a file using "magic" numbers - library | https://www.darwinsys.com/file/
- Nix - file: installed executable or alias match | nixpkgs package indexes: file from https://raw.githubusercontent.com/NixOS/nixpkgs/master/pkgs/top-level/all-packages.nix
- Ubuntu apt - file - 1:5.45-3build1: installed executable or alias match | Ubuntu 24.04 LTS package indexes: file from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | Recognize the type of data in a file using "magic" numbers | https://www.darwinsys.com/file/
- Ubuntu apt - libmagic-dev - 1:5.45-3build1: installed executable or alias match | Ubuntu 24.04 LTS package indexes: libmagic-dev from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | Recognize the type of data in a file using "magic" numbers - development | https://www.darwinsys.com/file/
- Ubuntu apt - libmagic-mgc - 1:5.45-3build1: installed executable or alias match | Ubuntu 24.04 LTS package indexes: libmagic-mgc from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | File type determination library using "magic" numbers (compiled magic file) | https://www.darwinsys.com/file/
- Ubuntu apt - libmagic1t64 - 1:5.45-3build1: installed executable or alias match | Ubuntu 24.04 LTS package indexes: libmagic1t64 from https://archive.ubuntu.com/ubuntu/dists/noble/main/binary-amd64/Packages.gz | Recognize the type of data in a file using "magic" numbers - library | https://www.darwinsys.com/file/
- apk - file - 5.47-r2: installed executable or alias match | Alpine Linux edge package indexes: file from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | File type identification utility | https://www.darwinsys.com/file/
- apk - file-dev - 5.47-r2: installed executable or alias match | Alpine Linux edge package indexes: file-dev from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | File type identification utility (development files) | https://www.darwinsys.com/file/
- apk - file-doc - 5.47-r2: installed executable or alias match | Alpine Linux edge package indexes: file-doc from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | File type identification utility (documentation) | https://www.darwinsys.com/file/
- apk - libmagic - 5.47-r2: installed executable or alias match | Alpine Linux edge package indexes: libmagic from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | File type identification library | https://www.darwinsys.com/file/
- apk - libmagic-static - 5.47-r2: installed executable or alias match | Alpine Linux edge package indexes: libmagic-static from https://dl-cdn.alpinelinux.org/alpine/edge/main/x86_64/APKINDEX.tar.gz | File type identification utility (static library) | https://www.darwinsys.com/file/
- dnf - file - 5.47-3.fc45: installed executable or alias match | Fedora Rawhide package metadata: file from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | Utility for determining file types | https://www.darwinsys.com/file/
## Combined YAML source
View the package source record on GitHub. [combined/file-formula.yml](https://github.com/mxcl/pkgdb/blob/main/combined/file-formula.yml)
## ソース
- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph