macOS
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brew install dupseeklocal Homebrew formula metadata
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Install dupseek with Homebrew
Interactive program to find and remove duplicate files. Version 1.3 via Homebrew; verified 2026-05-19.
install
Additional install commands
overview
Package summary
Interactive program to find and remove duplicate files
Project links
Commands and aliases
- dupseek
history
Project history and usage
dupseek is Antonio Bellezza's small interactive Perl command-line tool for finding and removing duplicate files. Its interest is the algorithm and workflow: it compares files progressively instead of simply hashing every candidate up front.
Project history
The official Beautylabs page dates the public releases to 2003-2005, with version 1.0 in June 2003 and version 1.3 in September 2005. The tool was distributed as a small archive containing development files and the standalone dupseek program.
The page contrasts dupseek with the common size-plus-fingerprint method. dupseek first groups by file size, then reads and compares small chunks, increasing chunk size and dropping files from consideration as soon as they differ. The author presents this as especially efficient when many large files share the same size.
Adoption history
The official platform notes list reports from Debian GNU/Linux Woody and Sarge, Mac OS X 10.2.6, and FreeBSD 4.7. Credits mention a contributed patch for batch processing and option parsing, plus outside Mac OS X testing, which suggests modest but real user feedback around a personal utility.
How it is used
dupseek is meant for careful cleanup rather than unattended deduplication. It can be interrupted with Ctrl-C to show partial results, and the user can inspect groups or continue processing. The official warning is blunt because automatic deletion support appeared in version 1.1.
The notable operational caveat is that directories being checked should not be modified while dupseek runs, and older versions had a dangerous duplicate-directory bug that was later marked corrected in version 1.3.
Why package nerds care
dupseek is a compact example of pre-modern duplicate-file tooling: one Perl script, interactive control, sparse reads, and explicit user caution. It is less famous than later dedup tools, but it captures a useful design tradeoff from the early-2000s Unix utility shelf.
Timeline
- 2003-06-06: dupseek 1.0 released.
- 2003-06-27: dupseek 1.1 released with automatic deletion support.
- 2005-03-07: dupseek 1.2 released.
- 2005-09-24: dupseek 1.3 released and listed as the latest version on the official page.
Related projects
- The official page compares dupseek's approach with duplicate finders that group by file size and then compute a short fingerprint such as an MD5 checksum, but it does not name a specific competing tool.
Sources
security posture
Risk level: green
narrow executable package without higher-risk signals.
Risk classifier
green risk · low confidence · appliance
Why
- narrow executable package without higher-risk signals
Signals
- metadata:no-higher-risk-signals
Install behavior
- No Homebrew post-install hook is recorded in formula metadata.
- Homebrew bottle metadata is available for 1 platform targets.
Recommended review
Before unattended agent use, check whether the tool reads plaintext credentials, writes remote state, publishes artifacts, or shells out to plugins.
executables
Installed executables
| Command | Kind | Exposure | Note |
|---|---|---|---|
dupseek | cli | global executable |
freshness
Version and freshness
These signals separate page generation age, package-manager activity, and upstream release comparison. Version lag is warned only when an evidence URL and comparable versions are present.
page generated2026-07-08
manager version1.3
manager updated2026-05-19
local dataok
upstreamnot checked
latest detectednot detected
http://www.beautylabs.net/software/dupseek.html
- infoRelease/tag comparison is only available for GitHub repositories.http://www.beautylabs.net/software/dupseek.htmlnone confidence
install metadata
Package metadata
| Package key | brew:dupseek |
|---|---|
| Version | 1.3 |
| Package manager | Homebrew |
| Package manager page | https://formulae.brew.sh/formula/dupseek |
| Homepage | http://www.beautylabs.net/software/dupseek.html |
| Upstream docs | http://www.beautylabs.net/software/dupseek.html |
| License | GPL-2.0-only |
| Source archive | http://www.beautylabs.net/software/dupseek-1.3.tgz |
| Last updated | 2026-05-19T13:03:29-04:00 |
| Pulse | updated |
| Bottle | available (on all) |
| Homebrew post-install | not defined |
| Service | none declared |
registry facts
Source database details
| Source Database | Homebrew formula API |
|---|---|
| Tap | homebrew/core |
| Full Name | dupseek |
| Aliases |
|
| Version Scheme | 0 |
| Revision | 0 |
| Bottle Stable Root URL | https://ghcr.io/v2/homebrew/core |
| Deprecated | yes |
| Disabled | no |
| Keg Only | no |
| URL Keys |
|
source trail
Generated from repository data
This page is generated by av-web from the private package SQLite artifact built by scripts/generate-pkg-sqlite.py.
Combined YAML source
View the package source record on GitHub.
Used sources
- Geiger risk classifier
- Nucleus package database
- av.db category and tag curation
- cross-ecosystem install command graph
- curated package history
- package relationship graph
- package version freshness
- package-page enrichment