Remove duplicated files from Moments (Synology NAS)

script.js

// Very fast-coded deduplication utility. It parses standard "Storage Analyzer" report and moves duplicated files to a separate folder.
// Requires "npm i csv-parse 'move-file"

'use strict';

const path = require('path')
const fs = require('fs')
const parse = require('csv-parse/lib/sync')
const moveFile = require('move-file');

const records = parse(fs.readFileSync('/<PATH_TO_REPORT>/duplicate_file.csv'), {
  columns: true,
  skip_empty_lines: true,
  delimiter: '\t'
})

const MOVE_TO = '/Volumes/homes/<USER_NAME>/Drive/Moments_Duplicates'

const groups = {};

(async () => {

  for (const record of records) {

    if (!record.File.startsWith('/volume1/homes/<USER_NAME>/Drive/Moments')) {

      console.log(`Skip file: ${record.File}`)
    }

    const realFilePath = record.File.replace('volume1', 'Volumes')

    if (groups[record.Group]) {

      const destination = path.join(MOVE_TO, path.basename(realFilePath));

      // Move file
      console.log(`Move: "${realFilePath}" -> "${destination}"`)

      try {

        await moveFile(realFilePath, destination);

        // break // <--- Uncomment to move 1 file

      } catch (err) {

        if (err.code !== 'ENOENT') { // already moved?

          throw err
        }
      }

    } else {

      groups[record.Group] = true

      console.log(`Ignore file: ${record.File}`)
    }
  }
})()