Automic VaultAutomic Vault

brew

gocr を Homebrew, apt, dnf, MacPorts, Nix, pacman, zypper でインストール

gocr 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

追加のインストールコマンド

macOS

Homebrew確認済み · 100%
brew install gocr

local Homebrew formula metadata

MacPorts確認済み · 94%
sudo port install gocr

MacPorts ports tree · graphics/gocr/Portfile · ソース: api.github.com

Linux

Debian apt確認済み · 92%
sudo apt install gocr

Debian stable package indexes · gocr · ソース: deb.debian.org

Fedora dnf確認済み · 92%
sudo dnf install gocr

Fedora Rawhide package metadata · gocr · ソース: dl.fedoraproject.org

Nix確認済み · 92%
nix profile install nixpkgs#gocr

nixpkgs package indexes · pkgs/by-name/go/gocr/package.nix · ソース: api.github.com

Arch Linux pacman確認済み · 92%
sudo pacman -S gocr

Arch Linux sync databases · gocr · ソース: geo.mirror.pkgbuild.com

openSUSE zypper確認済み · 92%
sudo zypper install gocr

openSUSE Tumbleweed package metadata · gocr · ソース: download.opensuse.org

概要

パッケージ概要

Optical Character Recognition (OCR), converts images back to text

コマンドとエイリアス

  • gocr
  • gocr.tcl

履歴

プロジェクトの歴史と使われ方

GOCR, also known as JOCR on SourceForge, is a command-line optical character recognition program by Joerg Schulenburg. It converts scanned image files back into text and represents an older Unix-style OCR tool that stayed useful enough to remain packaged across many systems.

プロジェクトの歴史

The official GOCR page says Schulenburg started the program, led the SourceForge developer team, and continued maintaining the package at a low time base after 2010. The site explains the dual naming: the program's original and internal name is GOCR, while the SourceForge project used JOCR because the gocr project name was unavailable there.

The SourceForge-era history is visible in the official news stream: 0.3.0 appeared in December 2000, libgocr was made publicly available in April 2001, 0.37 arrived in August 2002, and the 0.40 through 0.49 series carried the project through the 2005 to 2010 period. Later releases 0.50, 0.51, and 0.52 were announced from the maintainer site rather than always being uploaded to SourceForge.

採用の歴史

GOCR's adoption pattern is classic pre-GitHub free software: SourceForge hosting, CVS development, tarball releases, mailing-list support, and downstream packaging. The official download page mentions RPMs, Debian packages, Windows binaries, OS/2 packages, and SourceForge source tarballs.

The batch package metadata lists GOCR in Homebrew, Debian, Fedora, MacPorts, Nix, Arch, Ubuntu, and openSUSE package sets. That broad downstream footprint matters more than upstream velocity: OCR users and scanning frontends kept relying on a small C command-line engine that packagers could build and ship.

使われ方

GOCR is used from the command line to read supported image formats and emit text. The official page notes that it can be used with different frontends and can open many image formats, with additional formats handled through external tools such as NetPBM.

The project is best understood as a lightweight OCR engine and utility for scanned text, not a modern machine-learning OCR stack. It is most useful where scriptability, old-format support, and small dependency surfaces matter.

パッケージ好きにとっての重要性

Package nerds care about GOCR because it is a living fossil of early SourceForge packaging culture: CVS, tarballs, distro patches, optional graphical frontends, and long-lived formulae. It shows how a quiet C utility can survive for decades because it is easy for distributions to keep carrying.

Its GOCR/JOCR naming split is also a small lesson in package identity: upstream command names, project-hosting names, tarball names, and distro package names do not always line up cleanly.

タイムライン

  • 2000-06: SourceForge hosting began for the JOCR project, according to the official page.
  • 2000-12: GOCR 0.3.0 announced.
  • 2001-04: libgocr public beta announced.
  • 2005-03: GOCR 0.40 released.
  • 2010-09: GOCR 0.49 released.
  • 2013-03: GOCR 0.50 released.
  • 2017-08: GOCR 0.51 released.
  • 2018-10: GOCR 0.52 released.

Related projects

  • libgocr was the related API/library effort documented on the official site.
  • NetPBM is an important companion dependency for broader image-format handling.
  • Kooka, XSane, and other scanning frontends are adjacent tools that historically used command-line OCR engines.

セキュリティ状態

リスクレベル: blue

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

リスク分類器

リスク blue · 信頼度 中 · tool

理由

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

信号

  • text:image

インストール挙動

  • formula メタデータに Homebrew post-install フックは記録されていません。
  • Homebrew bottle メタデータは 13 個のプラットフォームターゲットで利用できます。
  • 2 件の実行時依存関係とともにインストールされます。

推奨レビュー

エージェントに無人実行させる前に、このツールが平文の認証情報を読むか、リモート状態を書き込むか、成果物を公開するか、プラグインを起動するかを確認してください。

実行可能ファイル

インストールされる実行可能ファイル

コマンド種類公開範囲メモ
gocrcliグローバル実行可能ファイル
gocr.tclcliグローバル実行可能ファイル

鮮度

バージョンと鮮度

これらの信号は、ページ生成時期、パッケージマネージャの活動、上流リリース比較を分けて示します。バージョン遅れは、証拠 URL と比較可能なバージョンがある場合だけ警告されます。

ページ生成日2026-07-10
マネージャ版0.52
マネージャ更新日2026-06-22
ローカルデータOK
上流not checked
検出された最新未検出

https://wasd.urz.uni-magdeburg.de/jschulen/ocr/

インストールメタデータ

パッケージメタデータ

パッケージキーbrew:gocr
バージョン0.52
パッケージマネージャHomebrew
パッケージマネージャページhttps://formulae.brew.sh/formula/gocr
ホームページhttps://wasd.urz.uni-magdeburg.de/jschulen/ocr/
リポジトリhttps://sourceforge.net/p/jocr/code
上流ドキュメントhttps://jocr.sourceforge.net/
ライセンスGPL-2.0-or-later
ソースアーカイブhttps://wasd.urz.uni-magdeburg.de/jschulen/ocr/gocr-0.52.tar.gz
最終更新2026-06-22T19:58:33+02:00
Pulseupdated
依存関係jpeg-turbo, netpbm
Bottle利用可能 (対象 arm64_big_sur, arm64_linux, arm64_monterey, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, big_sur, catalina, monterey, sonoma, ventura, x86_64_linux)
Homebrew post-install未定義
サービス宣言なし

レジストリ情報

ソースデータベース詳細

Source DatabaseHomebrew formula API
Taphomebrew/core
Full Namegocr
Aliases
  • jocr
Version Scheme0
Revision2
Bottle Stable Root URLhttps://ghcr.io/v2/homebrew/core
Deprecatedyes
Disabledno
Keg Onlyno
URL Keys
  • stable

ソースデータベース一致

他のパッケージマネージャ記録

一致は外部パッケージマネージャインデックスから取得され、ローカルの Automic Vault パッケージリンクとは分けて表示されます。

Debian apt95%

gocr 0.52-6.1+b1

Command line OCR

https://www-e.uni-magdeburg.de/jschulen/ocr/

sudo apt install gocr
  • Section: graphics
  • Architecture: amd64
  • Source Package: gocr
  • 1 依存関係
  • 4 任意依存関係
  • normalized package name match
  • 一致条件: Gocr
Debian stable package indexes · deb.debian.org · Debian stable package indexes: gocr from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Debian apt95%

gocr-tk 0.52-6.1

tcl/tk wrapper around gocr

https://www-e.uni-magdeburg.de/jschulen/ocr/

sudo apt install gocr-tk
  • Section: graphics
  • Architecture: all
  • Source Package: gocr
  • 4 依存関係
  • 1 任意依存関係
  • normalized package name match
  • 一致条件: Gocr
Debian stable package indexes · deb.debian.org · Debian stable package indexes: gocr-tk from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Debian apt95%

libpgm2asc-dev 0.52-6.1+b1

Command line OCR - development files

https://www-e.uni-magdeburg.de/jschulen/ocr/

sudo apt install libpgm2asc-dev
  • Section: libdevel
  • Architecture: amd64
  • Source Package: gocr
  • 1 依存関係
  • 1 提供
  • normalized package name match
  • 一致条件: Gocr
Debian stable package indexes · deb.debian.org · Debian stable package indexes: libpgm2asc-dev from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Debian apt95%

libpgm2asc0.52t64 0.52-6.1+b1

Command line OCR - shared library

https://www-e.uni-magdeburg.de/jschulen/ocr/

sudo apt install libpgm2asc0.52t64
  • Section: libs
  • Architecture: amd64
  • Source Package: gocr
  • 1 依存関係
  • 1 提供
  • normalized package name match
  • 一致条件: Gocr
Debian stable package indexes · deb.debian.org · Debian stable package indexes: libpgm2asc0.52t64 from https://deb.debian.org/debian/dists/stable/main/binary-amd64/Packages.xz
Nix95%

gocr

nix profile install nixpkgs#gocr
  • normalized package name match
  • 一致条件: Gocr
nixpkgs package indexes · api.github.com · nixpkgs package indexes: pkgs/by-name/go/gocr/package.nix from https://api.github.com/repos/NixOS/nixpkgs/git/trees/master?recursive=1
Ubuntu apt95%

gocr 0.52-6.1build1

Command line OCR

https://www-e.uni-magdeburg.de/jschulen/ocr/

sudo apt install gocr
  • Section: universe/graphics
  • Architecture: amd64
  • 1 依存関係
  • 4 任意依存関係
  • normalized package name match
  • 一致条件: Gocr
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: gocr from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
Ubuntu apt95%

gocr-tk 0.52-6.1build1

tcl/tk wrapper around gocr

https://www-e.uni-magdeburg.de/jschulen/ocr/

sudo apt install gocr-tk
  • Section: universe/graphics
  • Architecture: all
  • Source Package: gocr
  • 4 依存関係
  • 1 任意依存関係
  • normalized package name match
  • 一致条件: Gocr
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: gocr-tk from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
Ubuntu apt95%

libpgm2asc-dev 0.52-6.1build1

Command line OCR - development files

https://www-e.uni-magdeburg.de/jschulen/ocr/

sudo apt install libpgm2asc-dev
  • Section: universe/libdevel
  • Architecture: amd64
  • Source Package: gocr
  • 1 依存関係
  • 1 提供
  • normalized package name match
  • 一致条件: Gocr
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: libpgm2asc-dev from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
Ubuntu apt95%

libpgm2asc0.52t64 0.52-6.1build1

Command line OCR - shared library

https://www-e.uni-magdeburg.de/jschulen/ocr/

sudo apt install libpgm2asc0.52t64
  • Section: universe/libs
  • Architecture: amd64
  • Source Package: gocr
  • 1 依存関係
  • 1 提供
  • normalized package name match
  • 一致条件: Gocr
Ubuntu 24.04 LTS package indexes · archive.ubuntu.com · Ubuntu 24.04 LTS package indexes: libpgm2asc0.52t64 from https://archive.ubuntu.com/ubuntu/dists/noble/universe/binary-amd64/Packages.gz
dnf95%

gocr 0.52-18.fc44

GNU Optical Character Recognition program

http://jocr.sourceforge.net/

sudo dnf install gocr
  • License: GPL-2.0-or-later
  • Category: Unspecified
  • Architecture: x86_64
  • Source Package: gocr
  • 8 依存関係
  • 1 提供
  • normalized package name match
  • 一致条件: Gocr
Fedora Rawhide package metadata · dl.fedoraproject.org · Fedora Rawhide package metadata: gocr from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/e5ca8ce900cd68f5419e1c39ae517343100b306336cbaeb70a3c153121d95094-primary.xml.zst
pacman95%

gocr 0.52-3

OCR (Optical Character Recognition) program, which converts scanned images of text back to text files

https://www-e.uni-magdeburg.de/jschulen/ocr/

sudo pacman -S gocr
  • License: GPL-2.0-or-later
  • Architecture: x86_64
  • 3 依存関係
  • 2 任意依存関係
  • normalized package name match
  • 一致条件: Gocr
Arch Linux sync databases · geo.mirror.pkgbuild.com · Arch Linux sync databases: gocr from https://geo.mirror.pkgbuild.com/extra/os/x86_64/extra.db.tar.gz
zypper95%

gocr 0.52-3.10

Optical Character Recognition Program

https://www-e.uni-magdeburg.de/jschulen/ocr/index.html

sudo zypper install gocr
  • License: GPL-2.0-or-later
  • Category: Productivity/Graphics/Other
  • Architecture: x86_64
  • Source Package: gocr
  • 2 依存関係
  • 1 提供
  • normalized package name match
  • 一致条件: Gocr
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: gocr from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst
zypper95%

gocr-gui 0.52-3.10

Optical Character Recognition Program - Basic Graphical Interface

https://www-e.uni-magdeburg.de/jschulen/ocr/index.html

sudo zypper install gocr-gui
  • License: GPL-2.0-or-later
  • Category: Productivity/Graphics/Other
  • Architecture: noarch
  • Source Package: gocr
  • 3 依存関係
  • 2 提供
  • normalized package name match
  • 一致条件: Gocr
openSUSE Tumbleweed package metadata · download.opensuse.org · openSUSE Tumbleweed package metadata: gocr-gui from https://download.opensuse.org/tumbleweed/repo/oss/repodata/be8d3611d25469107f32075a1697e69ec57a2b850b42348a658cc671ad5ec2b50760d02c3e59524d50da9a11d5be799bdaffba2e166e8ca8858512e3c0bd665d-primary.xml.zst
MacPorts95%

gocr

sudo port install gocr
  • normalized package name match
  • 一致条件: Gocr
MacPorts ports tree · api.github.com · MacPorts ports tree: graphics/gocr/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1

ソース経路

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使用ソース

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