# imagesnap を Homebrew, MacPorts でインストール

imagesnap 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:imagesnap
```

追加のインストールコマンド:

### macOS

- Homebrew (100%):

```sh
brew install imagesnap
```

  証拠: local Homebrew formula metadata

- MacPorts (94%):

```sh
sudo port install ImageSnap
```

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

## パッケージ情報

- **パッケージキー:** brew:imagesnap
- **パッケージマネージャ:** Homebrew
- **バージョン:** 0.3.0.2
- **ソース概要:** Tool to capture still images from an iSight or other video source
- **ホームページ:** <https://github.com/rharder/imagesnap>
- **リポジトリ:** <https://github.com/rharder/imagesnap>
- **生成日時:** 2026-08-03T19:37:03+00:00

## 実行可能ファイル

- imagesnap (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: 0.3.0.2
## プロジェクトの歴史と使われ方

ImageSnap is a macOS command-line camera capture utility by Robert Harder. It saves still images from the built-in iSight or other video devices, making webcam snapshots scriptable from the terminal.

### プロジェクトの歴史

Robert Harder's older iHarder Mac OS X utilities page describes ImageSnap as a successor path after Axel Bauer's `isightcapture`, with the goal of adapting command-line camera capture to Apple's changing architectures. The GitHub README identifies Robert Harder as the original author and documents the tool as public-domain software.

The project lived for years as an Objective-C utility, then gained a Swift rewrite using AVFoundation in the 0.3.0 series. The README notes that the Swift rewrite modernized the media stack but raised the macOS requirement to Ventura-era systems, while older Objective-C versions remain available from tags and releases.

### 採用の歴史

ImageSnap became a small but recognizable Mac package-manager tool because it does one thing Unix users expect to script: take a camera snapshot without opening a full camera app. The README names Homebrew and MacPorts as common installation paths, and Homebrew analytics show a steady low-thousands yearly install base.

Its package adoption is tied to automation scenarios such as quick webcam captures, simple time-lapse scripts, hardware checks, and headless-ish Mac workflows where AVFoundation access can still be granted through macOS camera permissions.

### 使われ方

The `imagesnap` command captures to `snapshot.jpg` by default, accepts a filename as the final argument, lists cameras with `-l`, selects a device with `-d`, and supports time-lapse captures with `-t` and `-n`. It can write common formats such as JPEG, TIFF, PNG, GIF, and BMP based on the output filename extension.

The README documents a warmup delay, because real cameras need time after activation before a frame is useful. The tool also has to participate in macOS camera permission prompts the first time it is used.

### パッケージ好きにとっての重要性

ImageSnap is package-nerd useful because it exposes an Apple media-framework feature as a tiny, scriptable binary. It is the kind of package people install once for a build lab, kiosk, CI-adjacent hardware check, or personal automation and then forget until they need a camera frame from a shell script.

### タイムライン

- 2010s: iHarder described ImageSnap as a way forward from the older `isightcapture` utility.
- 2017: Version 0.2.6 appeared in GitHub releases.
- 2021: The 0.2.x series continued with camera-capture maintenance releases.
- 2023: Version 0.2.16 was released before the Swift rewrite line.
- 2026: Version 0.3.0 introduced a Swift rewrite using AVFoundation.

### Related projects

- The historical comparison is Axel Bauer's `isightcapture`, which ImageSnap's original project page explicitly mentions. Within package managers, Homebrew and MacPorts both carry ImageSnap for macOS camera capture.

### ソース

- <https://formulae.brew.sh/api/formula/imagesnap.json>
- <https://github.com/rharder/imagesnap>
- <https://github.com/rharder/imagesnap/releases>
- <https://iharder.sourceforge.net/macosx/>
- <https://raw.githubusercontent.com/rharder/imagesnap/master/README.md>


## セキュリティノート

broad file, network, media, or database tool signal.

- **Geiger リスク:** blue / 中
- broad file, network, media, or database tool signal

## 他のパッケージマネージャ記録

- MacPorts - ImageSnap: normalized package name match | MacPorts ports tree: sysutils/ImageSnap/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/imagesnap.yml](https://github.com/mxcl/pkgdb/blob/main/combined/imagesnap.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