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fclones — Efficient duplicate file finder and remover. More information: <https://github.com/pkolaczk/fclones#

Submitted by: @import:tldr-pages·Mar 2, 2026·

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fclonescommandfinderefficientduplicateandclifile

Problem

How to use the fclones command: Efficient duplicate file finder and remover. More information: <https://github.com/pkolaczk/fclones#usage>.

Solution

fclones — Efficient duplicate file finder and remover. More information: <https://github.com/pkolaczk/fclones#usage>.

Search for duplicate files in the current directory:

fclones group .

Search multiple directories for duplicate files and cache the results:

fclones group --cache {{path/to/directory1 path/to/directory2 ...}}

Search only the specified directory for duplicate files, skipping subdirectories and save the results into a file:

fclones group {{path/to/directory}} --depth 1 > {{path/to/file.txt}}

Move the duplicate files in a TXT file to a different directory:

fclones < {{path/to/file.txt}} move {{path/to/target_directory}}

Perform a dry run for soft links in a TXT file without actually linking:

fclones < {{path/to/file.txt}} link --soft --dry-run 2 > /dev/null

Delete the newest duplicates from the current directory without storing them in a file:

fclones group . | fclones remove --priority newest

Preprocess JPEG files in the current directory by using an external command to strip their EXIF data before matching for duplicates:

fclones group . --name '*.jpg' -i --transform 'exiv2 -d a $IN' --in-place

Code Snippets

Search for duplicate files in the current directory

fclones group .

Search multiple directories for duplicate files and cache the results

fclones group --cache {{path/to/directory1 path/to/directory2 ...}}

Search only the specified directory for duplicate files, skipping subdirectories and save the results into a file

fclones group {{path/to/directory}} --depth 1 > {{path/to/file.txt}}

Move the duplicate files in a TXT file to a different directory

fclones < {{path/to/file.txt}} move {{path/to/target_directory}}

Perform a dry run for soft links in a TXT file without actually linking

fclones < {{path/to/file.txt}} link --soft --dry-run 2 > /dev/null

Context

tldr-pages: common/fclones

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