macOS
Homebrewvérifié · 100%
brew install unpaperlocal Homebrew formula metadata
MacPortsvérifié · 94%
sudo port install unpaperMacPorts ports tree · graphics/unpaper/Portfile · Source: api.github.com
brew
Installer unpaper avec Homebrew, apk, apt, dnf, MacPorts, Nix, pacman, zypper
Consultez les chemins d'installation, exécutables, métadonnées et notes de sécurité de unpaper pour les workflows d'agents IA.
installation
Commandes d'installation supplémentaires
Linux
Alpine Linux apkvérifié · 92%
sudo apk add unpaperAlpine Linux edge package indexes · unpaper · Source: dl-cdn.alpinelinux.org
Debian aptvérifié · 92%
sudo apt install unpaperDebian stable package indexes · unpaper · Source: deb.debian.org
Fedora dnfvérifié · 92%
sudo dnf install unpaperFedora Rawhide package metadata · unpaper · Source: dl.fedoraproject.org
Nixvérifié · 92%
nix profile install nixpkgs#unpapernixpkgs package indexes · pkgs/by-name/un/unpaper/package.nix · Source: api.github.com
Arch Linux pacmanvérifié · 92%
sudo pacman -S unpaperArch Linux sync databases · unpaper · Source: geo.mirror.pkgbuild.com
openSUSE zyppervérifié · 92%
sudo zypper install unpaperopenSUSE Tumbleweed package metadata · unpaper · Source: download.opensuse.org
aperçu
Résumé du paquet
Post-processing for scanned/photocopied books
Liens du projet
Commandes et alias
- unpaper
historique
Historique du projet et usages
unpaper is a command-line post-processing tool for scanned paper, especially scanned or photocopied book pages. Its README describes the goal as making scanned book pages easier to read on screen after PDF conversion and improving page images before OCR.
Historique du projet
The upstream README says unpaper was originally written by Jens Gulden, and the AUTHORS file lists Gulden as original author and maintainer from 2005-2009. The NEWS file records the first release, 1.0, on 2005-03-01.
Early releases focused on the core scanned-book workflow: joining or splitting pages, handling double-page layouts, deskewing, stretching, zooming, border alignment, black filtering, and multi-file batch processing. The 2005-2007 NEWS entries also show portability work for Mac OS X and SPARC Solaris, color support through PPM, documentation diagrams, binary/source distribution archives, and conventional tarball packaging.
Maintenance later moved from a personal scanned-page tool into a modern hosted open source project. NEWS records an Autotools build system in 2011, source reorganization and parser cleanup in 2012, mathematically accurate interpolation in 2013, libav-based file input/output in 2014, ffmpeg compatibility updates, and a 2022 Meson migration in release 7.0.0.
Historique d'adoption
The supplied package metadata shows unpaper available across a broad set of Unix-like package managers: Alpine/apk, Homebrew, Debian, Fedora/dnf, MacPorts, Nix, Arch/pacman, Ubuntu, and openSUSE/zypper. That matches its niche as a small C utility used inside scanning, OCR, and PDF-preparation pipelines.
The project's dependency history also tracks adoption pressure. The README now says ffmpeg is the only hard dependency for file input and output; NEWS shows earlier transitions through Netpbm-style PNM workflows, libav, ffmpeg compatibility, and build-system modernization.
Modes d'utilisation
unpaper is usually run in batch mode over numbered image sequences. The basic concepts documentation explains sheets, pages, single-page and double-page layouts, wildcard filename sequences such as `input%03d.pbm`, and options for joining single-page scans into double-page sheets or splitting double-page scans back into individual page images.
The README describes the processing features that define its everyday use: removing dark borders from scans and photocopies, detecting misaligned centering and rotation, deskewing pages, and allowing each processing step to be disabled or tuned when automatic processing fails.
Pourquoi les passionnés de paquets s'y intéressent
unpaper is significant in package-manager culture because it is one of those small, sharp Unix tools that exists to make a larger workflow possible. It sits between scanner output, image conversion tools, OCR engines, and PDF builders, so distributions care about stable command-line behavior, supported image formats, and dependency choices more than about a GUI.
It is also a good example of a long-lived niche media utility being kept buildable as the C ecosystem changes: custom code gave way to libav/ffmpeg for formats, Autotools gave way to Meson, tests were adapted for floating-point differences, and maintainers kept portability and package builds alive.
Chronologie
- 2005: 1.0 initial release.
- 2005: 1.1 adds page joining/splitting, multi-file sequences, deskew speedups, Mac OS X notes, and SPARC Solaris testing.
- 2006: 0.2 adds documentation diagrams and color PPM support.
- 2007: 0.3 moves history to a changelog and adopts conventional tarball layout.
- 2011: 0.4 introduces an Autotools build system and a documented man page.
- 2014: 6 switches file input/output to libav and broadens supported image formats.
- 2022: 7.0.0 migrates the build to Meson and expands ffmpeg 5 compatibility.
Related projects
- unpaper is commonly adjacent to SANE scanner tools, ffmpeg/libav for image decoding and encoding, Netpbm/PNM tooling, ImageMagick conversion, OCR engines, and PDF generation tools.
Sources
posture de sécurité
Niveau de risque : vert
narrow executable package without higher-risk signals.
Classificateur de risque
risque vert · confiance faible · appliance
Pourquoi
- narrow executable package without higher-risk signals
Signaux
- metadata:no-higher-risk-signals
Comportement d'installation
- Aucun hook post-install Homebrew n’est enregistré dans les métadonnées de formule.
- Les métadonnées de bottle Homebrew sont disponibles pour 8 plateformes.
- S’installe avec 1 dépendances d’exécution.
- Les métadonnées de compilation listent 4 dépendances de compilation.
Revue recommandée
Avant une utilisation sans surveillance par un agent, vérifiez si l'outil lit des identifiants en clair, écrit un état distant, publie des artefacts ou lance des plugins.
exécutables
Exécutables installés
| Commande | Type | Exposition | Note |
|---|---|---|---|
unpaper | cli | exécutable global |
fraîcheur
Version et fraîcheur
Ces signaux séparent l'âge de génération de la page, l'activité du gestionnaire de paquets et la comparaison avec les versions amont. Un retard de version n'est signalé que lorsqu'une URL de preuve et des versions comparables sont présentes.
page générée2026-07-10
version du gestionnaire7.0.0
gestionnaire mis à jour
données localesOK
amontnot checked
dernière version détectéenon détecté
https://www.flameeyes.com/projects/unpaper
- infoNo package-manager update timestamp was available.confiance faible
- infoRelease/tag comparison is only available for GitHub repositories.https://www.flameeyes.com/projects/unpaperconfiance none
métadonnées d'installation
Métadonnées du paquet
| Clé du paquet | brew:unpaper |
|---|---|
| Version | 7.0.0 |
| Gestionnaire de paquets | Homebrew |
| Page du gestionnaire de paquets | https://formulae.brew.sh/formula/unpaper |
| Page d'accueil | https://www.flameeyes.com/projects/unpaper |
| Dépôt | https://github.com/unpaper/unpaper |
| Docs amont | https://github.com/unpaper/unpaper#readme |
| Licence | GPL-2.0-or-later |
| Archive source | https://www.flameeyes.com/files/unpaper-7.0.0.tar.xz |
| Dépendances | ffmpeg |
| Dépendances de compilation | meson, ninja, pkgconf, sphinx-doc |
| Bouteille | disponible (sur arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, arm64_ventura, sonoma, ventura, x86_64_linux) |
| post-install Homebrew | non défini |
| Service | aucun déclaré |
faits du registre
Détails de la base source
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | unpaper |
| Version Scheme | 0 |
| Revision | 3 |
| Head Version | HEAD |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | no |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
correspondances dans les bases sources
Autres enregistrements de gestionnaires de paquets
Les correspondances proviennent d’index externes de gestionnaires de paquets et restent séparées des liens de paquets Automic Vault locaux.
Debian apt95%
unpaper 7.0.0-3+b2
post-processing tool for scanned pages
https://www.flameeyes.eu/projects/unpaper
sudo apt install unpaper- Section: graphics
- Architecture: amd64
- Source Package: unpaper
- 4 Dépendances
- normalized package name match
- Correspondance par : Unpaper
Nix95%
unpaper
nix profile install nixpkgs#unpaper- normalized package name match
- Correspondance par : Unpaper
Ubuntu apt95%
unpaper 7.0.0-3build1
post-processing tool for scanned pages
https://www.flameeyes.eu/projects/unpaper
sudo apt install unpaper- Section: universe/graphics
- Architecture: amd64
- 4 Dépendances
- normalized package name match
- Correspondance par : Unpaper
apk95%
unpaper 7.0.0-r3
Post-processing tool for scanned sheets of paper
https://github.com/unpaper/unpaper
sudo apk add unpaper- License: GPL-2.0-only
- Architecture: x86_64
- Source Package: unpaper
- 1 Dépendances
- 1 fournit
- normalized package name match
- Correspondance par : Unpaper
apk95%
unpaper-doc 7.0.0-r3
Post-processing tool for scanned sheets of paper (documentation)
https://github.com/unpaper/unpaper
sudo apk add unpaper-doc- License: GPL-2.0-only
- Architecture: x86_64
- Source Package: unpaper
- normalized package name match
- Correspondance par : Unpaper
dnf95%
unpaper 7.0.0-16.fc44
Post-processing of scanned and photocopied book pages
https://www.flameeyes.eu/projects/unpaper
sudo dnf install unpaper- License: GPL-2.0-only AND 0BSD
- Category: Unspecified
- Architecture: x86_64
- Source Package: unpaper
- 7 Dépendances
- 1 fournit
- normalized package name match
- Correspondance par : Unpaper
dnf95%
unpaper-tests 7.0.0-16.fc44
Tests for unpaper
https://www.flameeyes.eu/projects/unpaper
sudo dnf install unpaper-tests- License: GPL-2.0-only AND MIT
- Category: Unspecified
- Architecture: noarch
- Source Package: unpaper
- 5 Dépendances
- 1 fournit
- normalized package name match
- Correspondance par : Unpaper
pacman95%
unpaper 7.0.0-5
post-processing tool for scanned sheets of paper
https://github.com/unpaper/unpaper
sudo pacman -S unpaper- License: GPL
- Architecture: x86_64
- 1 Dépendances
- normalized package name match
- Correspondance par : Unpaper
zypper95%
unpaper 7.0.0-1.23
Post-Processing Tool for Scanned Text Pages
https://www.flameeyes.eu/projects/unpaper
sudo zypper install unpaper- License: GPL-2.0-or-later
- Category: Productivity/Graphics/Other
- Architecture: x86_64
- Source Package: unpaper
- 5 Dépendances
- 1 fournit
- normalized package name match
- Correspondance par : Unpaper
MacPorts95%
unpaper
sudo port install unpaper- normalized package name match
- Correspondance par : Unpaper
piste source
Généré depuis les données du dépôt
Cette page est servie par av-web depuis l'artéfact SQLite privé des paquets généré par scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Sources utilisées
- 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