153 lines
5.9 KiB
Markdown
153 lines
5.9 KiB
Markdown
---
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title: "rclone dedupe"
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description: "Interactively find duplicate filenames and delete/rename them."
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slug: rclone_dedupe
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url: /commands/rclone_dedupe/
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groups: Important
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versionIntroduced: v1.27
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# autogenerated - DO NOT EDIT, instead edit the source code in cmd/dedupe/ and as part of making a release run "make commanddocs"
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---
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# rclone dedupe
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Interactively find duplicate filenames and delete/rename them.
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## Synopsis
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By default `dedupe` interactively finds files with duplicate
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names and offers to delete all but one or rename them to be
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different. This is known as deduping by name.
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Deduping by name is only useful with a small group of backends (e.g. Google Drive,
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Opendrive) that can have duplicate file names. It can be run on wrapping backends
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(e.g. crypt) if they wrap a backend which supports duplicate file
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names.
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However if `--by-hash` is passed in then dedupe will find files with
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duplicate hashes instead which will work on any backend which supports
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at least one hash. This can be used to find files with duplicate
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content. This is known as deduping by hash.
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If deduping by name, first rclone will merge directories with the same
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name. It will do this iteratively until all the identically named
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directories have been merged.
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Next, if deduping by name, for every group of duplicate file names /
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hashes, it will delete all but one identical file it finds without
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confirmation. This means that for most duplicated files the `dedupe` command will not be interactive.
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`dedupe` considers files to be identical if they have the
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same file path and the same hash. If the backend does not support hashes (e.g. crypt wrapping
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Google Drive) then they will never be found to be identical. If you
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use the `--size-only` flag then files will be considered
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identical if they have the same size (any hash will be ignored). This
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can be useful on crypt backends which do not support hashes.
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Next rclone will resolve the remaining duplicates. Exactly which
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action is taken depends on the dedupe mode. By default, rclone will
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interactively query the user for each one.
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**Important**: Since this can cause data loss, test first with the
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`--dry-run` or the `--interactive`/`-i` flag.
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Here is an example run.
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Before - with duplicates
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$ rclone lsl drive:dupes
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6048320 2016-03-05 16:23:16.798000000 one.txt
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6048320 2016-03-05 16:23:11.775000000 one.txt
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564374 2016-03-05 16:23:06.731000000 one.txt
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6048320 2016-03-05 16:18:26.092000000 one.txt
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6048320 2016-03-05 16:22:46.185000000 two.txt
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1744073 2016-03-05 16:22:38.104000000 two.txt
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564374 2016-03-05 16:22:52.118000000 two.txt
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Now the `dedupe` session
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$ rclone dedupe drive:dupes
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2016/03/05 16:24:37 Google drive root 'dupes': Looking for duplicates using interactive mode.
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one.txt: Found 4 files with duplicate names
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one.txt: Deleting 2/3 identical duplicates (MD5 "1eedaa9fe86fd4b8632e2ac549403b36")
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one.txt: 2 duplicates remain
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1: 6048320 bytes, 2016-03-05 16:23:16.798000000, MD5 1eedaa9fe86fd4b8632e2ac549403b36
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2: 564374 bytes, 2016-03-05 16:23:06.731000000, MD5 7594e7dc9fc28f727c42ee3e0749de81
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s) Skip and do nothing
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k) Keep just one (choose which in next step)
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r) Rename all to be different (by changing file.jpg to file-1.jpg)
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s/k/r> k
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Enter the number of the file to keep> 1
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one.txt: Deleted 1 extra copies
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two.txt: Found 3 files with duplicate names
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two.txt: 3 duplicates remain
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1: 564374 bytes, 2016-03-05 16:22:52.118000000, MD5 7594e7dc9fc28f727c42ee3e0749de81
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2: 6048320 bytes, 2016-03-05 16:22:46.185000000, MD5 1eedaa9fe86fd4b8632e2ac549403b36
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3: 1744073 bytes, 2016-03-05 16:22:38.104000000, MD5 851957f7fb6f0bc4ce76be966d336802
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s) Skip and do nothing
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k) Keep just one (choose which in next step)
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r) Rename all to be different (by changing file.jpg to file-1.jpg)
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s/k/r> r
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two-1.txt: renamed from: two.txt
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two-2.txt: renamed from: two.txt
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two-3.txt: renamed from: two.txt
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The result being
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$ rclone lsl drive:dupes
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6048320 2016-03-05 16:23:16.798000000 one.txt
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564374 2016-03-05 16:22:52.118000000 two-1.txt
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6048320 2016-03-05 16:22:46.185000000 two-2.txt
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1744073 2016-03-05 16:22:38.104000000 two-3.txt
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Dedupe can be run non interactively using the `--dedupe-mode` flag or by using an extra parameter with the same value
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* `--dedupe-mode interactive` - interactive as above.
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* `--dedupe-mode skip` - removes identical files then skips anything left.
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* `--dedupe-mode first` - removes identical files then keeps the first one.
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* `--dedupe-mode newest` - removes identical files then keeps the newest one.
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* `--dedupe-mode oldest` - removes identical files then keeps the oldest one.
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* `--dedupe-mode largest` - removes identical files then keeps the largest one.
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* `--dedupe-mode smallest` - removes identical files then keeps the smallest one.
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* `--dedupe-mode rename` - removes identical files then renames the rest to be different.
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* `--dedupe-mode list` - lists duplicate dirs and files only and changes nothing.
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For example, to rename all the identically named photos in your Google Photos directory, do
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rclone dedupe --dedupe-mode rename "drive:Google Photos"
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Or
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rclone dedupe rename "drive:Google Photos"
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```
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rclone dedupe [mode] remote:path [flags]
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```
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## Options
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```
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--by-hash Find identical hashes rather than names
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--dedupe-mode string Dedupe mode interactive|skip|first|newest|oldest|largest|smallest|rename (default "interactive")
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-h, --help help for dedupe
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```
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## Important Options
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Important flags useful for most commands.
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```
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-n, --dry-run Do a trial run with no permanent changes
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-i, --interactive Enable interactive mode
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-v, --verbose count Print lots more stuff (repeat for more)
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```
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See the [global flags page](/flags/) for global options not listed here.
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# SEE ALSO
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* [rclone](/commands/rclone/) - Show help for rclone commands, flags and backends.
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