# Find and group duplicate files across large trees before cleanup migration or backup with fclones

> Scan large directory trees for duplicate or under-replicated files, then review grouped results before cleanup actions.

- Skill: `agentskillexchange/find-and-group-duplicate-files-across-large-trees-before-cle` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/find-and-group-duplicate-files-across-large-trees-before-cle`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/find-and-group-duplicate-files-across-large-trees-before-cle/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/agentskillexchange/find-and-group-duplicate-files-across-large-trees-before-cle

---


# Find and group duplicate files across large trees before cleanup migration or backup with fclones

Scan large directory trees for duplicate or under-replicated files, then review grouped results before cleanup actions.

## Prerequisites

fclones CLI and access to the directory trees being audited

## Installation

No source-backed install or usage instructions could be extracted automatically. Review the upstream project before running this skill in a sensitive workflow.

- Source: https://github.com/pkolaczk/fclones

## Documentation

- https://github.com/pkolaczk/fclones

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/find-and-group-duplicate-files-across-large-trees-before-cleanup-migration-or-backup-with-fclones/)