# lout を Homebrew, apk, dnf, MacPorts, Nix, pacman, zypper でインストール

lout 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:lout
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install lout
```

  証拠: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install lout
```

  証拠: MacPorts ports tree: textproc/lout/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

### Linux

- apk (92%):

```sh
sudo apk add lout
```

  証拠: Alpine Linux edge package indexes: lout from https://dl-cdn.alpinelinux.org/alpine/edge/testing/x86_64/APKINDEX.tar.gz

- dnf (92%):

```sh
sudo dnf install lout
```

  証拠: Fedora Rawhide package metadata: lout 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#lout
```

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

- pacman (92%):

```sh
sudo pacman -S lout
```

  証拠: Arch Linux sync databases: lout from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz

- zypper (92%):

```sh
sudo zypper install lout
```

  証拠: openSUSE Tumbleweed package metadata: lout from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst

## パッケージ情報

- **パッケージキー:** brew:lout
- **パッケージマネージャ:** Homebrew
- **バージョン:** 3.43.4
- **ソース概要:** Text formatting like TeX, but simpler
- **ホームページ:** <https://savannah.nongnu.org/projects/lout>
- **リポジトリ:** <https://github.com/william8000/lout>
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- lout (エイリアス)
- prg2lout (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: 3.43.4
## プロジェクトの歴史と使われ方

Lout is Jeffrey H. Kingston's document formatting system: a high-level, TeX-adjacent language and formatter that reads structured document descriptions and produces PostScript, PDF, or plain text output. It is packaged as a command-line tool with `lout` and `prg2lout` executables.

### プロジェクトの歴史

The official repository README identifies the current line as the Lout Document Formatting System, Basser Lout Version 3, copyright 1994-2023 by Jeffrey H. Kingston. The project blurb says Lout was created by Kingston at the University of Sydney and describes it as the outcome of an eight-year research project into a high-level language for document formatting.

Lout's distribution contains ANSI C source, makefile-based installation, standard library packages, hyphenation files, locale messages, man pages, documentation written in Lout, font metrics, and related software notes. Its feature set includes optimal paragraph and page breaking, hyphenation, equations, tables, diagrams, bibliographies, indexes, cross references, and multilingual document support.

### 採用の歴史

Lout is an older Unix typesetting tool that remains available in multiple package managers. The batch input records Homebrew, Alpine, Fedora, MacPorts, Nix, Arch, and openSUSE packaging, which fits its role as a portable C document formatter rather than a single-platform application.

The GitHub mirror/repository created in 2020 carries tags for the 3.41 through 3.43 series, while the README records version 3.43 and the historical copyright range. That makes the modern package a continuation of a much older document-formatting lineage.

### 使われ方

The package installs `lout` for formatting documents and `prg2lout` for program-source formatting. The official README directs users to the makefile for installation and lists documentation, packages, hyphenation, fonts, maps, and man pages included in the source tree.

Lout source documents use high-level packages for reports, books, equations, tables, diagrams, graphs, program listings, and other structured output. Package maintainers care about its data directories as much as the binary, because the standard library, hyphenation data, fonts, and documentation are part of a working installation.

### パッケージ好きにとっての重要性

Lout is a package-history artifact from the same broad ecosystem as TeX, troff, and PostScript tools. It is not just another text filter: it ships a language, libraries, hyphenation data, manual corpus, and a mature C formatter, which makes it interesting for source-based packaging and long-tail Unix software preservation.

### タイムライン

- 1994: Basser Lout Version 3 copyright line begins in the official README.
- 1999: Version 3.13 release noted in `whatsnew`.
- 2020: `william8000/lout` repository created on GitHub.
- 2023: Version 3.43 copyright line recorded in the README.
- 2026: Repository metadata shows continued activity.

### Related projects

- TeX and troff are the historical comparison points named by Lout's own package summary and blurb.
- PostScript and PDF back ends are part of Lout's output story.

### ソース

- <https://api.github.com/repos/william8000/lout>
- <https://github.com/william8000/lout#readme>
- <https://github.com/william8000/lout/blob/master/blurb>
- <https://github.com/william8000/lout/blob/master/whatsnew>
- source_facts.package-manager-url


## 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

- Nix - lout: normalized package name match | nixpkgs package indexes: pkgs/by-name/lo/lout/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
- apk - lout - 3.42.2-r0: normalized package name match | Alpine Linux edge package indexes: lout from https://dl-cdn.alpinelinux.org/alpine/edge/testing/x86_64/APKINDEX.tar.gz | Lightweight typesetting and document formatting system | https://github.com/william8000/lout
- apk - lout-doc - 3.42.2-r0: normalized package name match | Alpine Linux edge package indexes: lout-doc from https://dl-cdn.alpinelinux.org/alpine/edge/testing/x86_64/APKINDEX.tar.gz | Lightweight typesetting and document formatting system (documentation) | https://github.com/william8000/lout
- dnf - lout - 3.40-32.fc45: normalized package name match | Fedora Rawhide package metadata: lout from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | A document formatting system | http://savannah.nongnu.org/projects/lout/
- pacman - lout - 3.43.4-1: normalized package name match | Arch Linux sync databases: lout from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz | A lightweight document formatting system | https://github.com/william8000/lout
- zypper - lout - 3.41.0-2.6: normalized package name match | openSUSE Tumbleweed package metadata: lout from https://download.opensuse.org/tumbleweed/repo/oss/repodata/50b07339cb64c8ed4091bdbabddadc1ff5737b090e478818a195b40d8a3292861a879139b4a3987c31109699fde9fbf4a716367ddf4eef77da75f96e3193d6ed-primary.xml.zst | A document formatting system | http://jeffreykingston.id.au/lout/
- MacPorts - lout: normalized package name match | MacPorts ports tree: textproc/lout/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1


## Combined YAML source

View the package source record on GitHub. [combined/lout.yml](https://github.com/mxcl/pkgdb/blob/main/combined/lout.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