Find duplicate files in folder

Walk through all files in directory and also recursively in sub-directories, files are mapped with respect to their hashes. Hashes that are associated with more than 1 files are duplicates.

npm i -g duplicate-files-fast

Find out which files are duplicates Output is in json format duplicate-files-fast --directory <directory> --extensions <ext1>,<ext2>

Remove files mode. Files except the first found file is kept.

• Removes duplicate duplicate-files-fast --directory <directory> --remove

• Dry run mode, prints files to be deleted without deleting duplicate-files-fast --directory <directory> --remove --dryrun

var DuplicateFiles = require('duplicate-files-fast')

var finder = new DuplicateFiles()

var directory = '.'
var options = {
  extensions : ['js']
}

finder.findDuplicates(directory, options).then((duplicates) => {
  duplicates.forEach(function (duplicate) {
    console.log('duplicate', duplicate)
  }, this)
}, (err) => {
  console.log('Error: ', err.error)
})