# vtclock を Homebrew でインストール

vtclock 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:vtclock
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install vtclock
```

  証拠: local Homebrew formula metadata

## パッケージ情報

- **パッケージキー:** brew:vtclock
- **パッケージマネージャ:** Homebrew
- **バージョン:** 0.99.1
- **ソース概要:** Text-mode fullscreen digital clock
- **ホームページ:** <https://github.com/dse/vtclock>
- **リポジトリ:** <https://github.com/dse/vtclock>
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- vtclock (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: 0.99.1
## プロジェクトの歴史と使われ方

vtclock is a text-terminal program that displays a large fullscreen digital clock. It is a tiny terminal utility in the tradition of making otherwise idle character-cell terminals visibly useful.

### プロジェクトの歴史

The project page says vtclock began when students in the ACM Lab and Student Chapter Office at the University of Louisville wanted to make use of a spare DEC VT220 terminal. Rob Hoeft is credited as the original author, with dse later maintaining the GitHub version and adding improvements.

### 使われ方

The practical use case is simple: run it in a terminal and leave the terminal acting as a clock. The upstream page shows a VT220 being used as a wall clock, and the README notes display options plus future ideas such as figlet fonts, transitions, custom date formats, analog mode, and multi-terminal mode.

### パッケージ好きにとっての重要性

vtclock is package-nerd charming because it preserves a very specific terminal-era utility: a fullscreen clock for real or emulated text terminals. Its value is less broad adoption than the continuity of small ncurses-like tools that make Unix terminals do one visible job.

### タイムライン

- 2004-02: Early news entries added new fonts, blinking colons, and display-refresh behavior.
- 2005-02-20: vtclock gained the ability to display one line at a time from a file or command.
- 2016-12-28: A later release added resize handling, figlet support, option fixes, and build fixes.

### ソース

- GitHub README: https://github.com/dse/vtclock
- Project history page: https://webonastick.com/vtclock/


## 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


## Combined YAML source

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


## ソース

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- cross-ecosystem install command graph