Detect duplicate files across different machines
Go
Latest commit 7b123d0 May 23, 2015 @rubenv Link to blog post

README.md

dupefinder

Build Status GoDoc

Detect duplicate files across different machines, using SHA256

Introductory blog post: https://rocketeer.be/blog/2015/05/dupefinder/

Installation

go get github.com/rubenv/dupefinder/...

Usage

Usage: dupefinder -generate filename folder...
    Generates a catalog file at filename based on one or more folders

Usage: dupefinder -detect [-dryrun / -rm] filename folder...
    Detects duplicates using a catalog file in on one or more folders

  -detect=false: Detect duplicate files using a catalog
  -dryrun=false: Print what would be deleted
  -generate=false: Generate a catalog file
  -rm=false: Delete detected duplicates (at your own risk!)

As a library

Import into your application with:

import "github.com/rubenv/dupefinder"

Usage

func Detect

func Detect(catalog string, echo, rm bool, folders ...string) error

Detect duplicates. Set echo to true to print duplicates, rm to delete them.

func Generate

func Generate(catalog string, folders ...string) error

Generate a catalog file based on a set of folders

type DupeCatalog

type DupeCatalog map[string]string

Catalog of hash to filename mappings

func ParseCatalog

func ParseCatalog(filename string) (DupeCatalog, error)

Parse the catalog file at filename

func ParseCatalogReader

func ParseCatalogReader(reader io.Reader) (DupeCatalog, error)

Parse a catalog file using an io.Reader

License

(The MIT License)

Copyright (C) 2015 by Ruben Vermeersch <ruben@rocketeer.be>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.