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417 lines
11 KiB
Markdown
417 lines
11 KiB
Markdown
---
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title: "Local Filesystem"
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description: "Rclone docs for the local filesystem"
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date: "2014-04-26"
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---
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<i class="fas fa-hdd"></i> Local Filesystem
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-------------------------------------------
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Local paths are specified as normal filesystem paths, eg `/path/to/wherever`, so
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rclone sync /home/source /tmp/destination
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Will sync `/home/source` to `/tmp/destination`
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These can be configured into the config file for consistencies sake,
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but it is probably easier not to.
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### Modified time ###
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Rclone reads and writes the modified time using an accuracy determined by
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the OS. Typically this is 1ns on Linux, 10 ns on Windows and 1 Second
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on OS X.
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### Filenames ###
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Filenames should be encoded in UTF-8 on disk. This is the normal case
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for Windows and OS X.
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There is a bit more uncertainty in the Linux world, but new
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distributions will have UTF-8 encoded files names. If you are using an
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old Linux filesystem with non UTF-8 file names (eg latin1) then you
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can use the `convmv` tool to convert the filesystem to UTF-8. This
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tool is available in most distributions' package managers.
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If an invalid (non-UTF8) filename is read, the invalid characters will
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be replaced with a quoted representation of the invalid bytes. The name
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`gro\xdf` will be transferred as `gro‛DF`. `rclone` will emit a debug
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message in this case (use `-v` to see), eg
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```
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Local file system at .: Replacing invalid UTF-8 characters in "gro\xdf"
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```
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#### Restricted characters
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On non Windows platforms the following characters are replaced when
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handling file names.
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| Character | Value | Replacement |
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| --------- |:-----:|:-----------:|
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| NUL | 0x00 | ␀ |
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| / | 0x2F | ／ |
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When running on Windows the following characters are replaced. This
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list is based on the [Windows file naming conventions](https://docs.microsoft.com/de-de/windows/desktop/FileIO/naming-a-file#naming-conventions).
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| Character | Value | Replacement |
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| --------- |:-----:|:-----------:|
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| NUL | 0x00 | ␀ |
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| SOH | 0x01 | ␁ |
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| STX | 0x02 | ␂ |
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| ETX | 0x03 | ␃ |
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| EOT | 0x04 | ␄ |
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| ENQ | 0x05 | ␅ |
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| ACK | 0x06 | ␆ |
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| BEL | 0x07 | ␇ |
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| BS | 0x08 | ␈ |
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| HT | 0x09 | ␉ |
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| LF | 0x0A | ␊ |
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| VT | 0x0B | ␋ |
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| FF | 0x0C | ␌ |
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| CR | 0x0D | ␍ |
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| SO | 0x0E | ␎ |
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| SI | 0x0F | ␏ |
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| DLE | 0x10 | ␐ |
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| DC1 | 0x11 | ␑ |
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| DC2 | 0x12 | ␒ |
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| DC3 | 0x13 | ␓ |
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| DC4 | 0x14 | ␔ |
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| NAK | 0x15 | ␕ |
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| SYN | 0x16 | ␖ |
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| ETB | 0x17 | ␗ |
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| CAN | 0x18 | ␘ |
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| EM | 0x19 | ␙ |
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| SUB | 0x1A | ␚ |
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| ESC | 0x1B | ␛ |
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| FS | 0x1C | ␜ |
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| GS | 0x1D | ␝ |
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| RS | 0x1E | ␞ |
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| US | 0x1F | ␟ |
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| / | 0x2F | ／ |
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| " | 0x22 | ＂ |
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| * | 0x2A | ＊ |
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| : | 0x3A | ： |
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| < | 0x3C | ＜ |
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| > | 0x3E | ＞ |
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| ? | 0x3F | ？ |
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| \ | 0x5C | ＼ |
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| \| | 0x7C | ｜ |
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File names on Windows can also not end with the following characters.
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These only get replaced if they are last character in the name:
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| Character | Value | Replacement |
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| --------- |:-----:|:-----------:|
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| SP | 0x20 | ␠ |
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| . | 0x2E | ． |
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Invalid UTF-8 bytes will also be [replaced](/overview/#invalid-utf8),
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as they can't be converted to UTF-16.
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### Long paths on Windows ###
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Rclone handles long paths automatically, by converting all paths to long
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[UNC paths](https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx#maxpath)
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which allows paths up to 32,767 characters.
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This is why you will see that your paths, for instance `c:\files` is
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converted to the UNC path `\\?\c:\files` in the output,
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and `\\server\share` is converted to `\\?\UNC\server\share`.
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However, in rare cases this may cause problems with buggy file
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system drivers like [EncFS](https://github.com/rclone/rclone/issues/261).
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To disable UNC conversion globally, add this to your `.rclone.conf` file:
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```
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[local]
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nounc = true
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```
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If you want to selectively disable UNC, you can add it to a separate entry like this:
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```
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[nounc]
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type = local
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nounc = true
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```
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And use rclone like this:
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`rclone copy c:\src nounc:z:\dst`
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This will use UNC paths on `c:\src` but not on `z:\dst`.
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Of course this will cause problems if the absolute path length of a
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file exceeds 258 characters on z, so only use this option if you have to.
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### Symlinks / Junction points
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Normally rclone will ignore symlinks or junction points (which behave
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like symlinks under Windows).
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If you supply `--copy-links` or `-L` then rclone will follow the
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symlink and copy the pointed to file or directory. Note that this
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flag is incompatible with `-links` / `-l`.
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This flag applies to all commands.
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For example, supposing you have a directory structure like this
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```
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$ tree /tmp/a
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/tmp/a
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├── b -> ../b
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├── expected -> ../expected
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├── one
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└── two
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└── three
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```
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Then you can see the difference with and without the flag like this
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```
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$ rclone ls /tmp/a
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6 one
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6 two/three
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```
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and
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```
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$ rclone -L ls /tmp/a
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4174 expected
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6 one
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6 two/three
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6 b/two
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6 b/one
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```
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#### --links, -l
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Normally rclone will ignore symlinks or junction points (which behave
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like symlinks under Windows).
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If you supply this flag then rclone will copy symbolic links from the local storage,
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and store them as text files, with a '.rclonelink' suffix in the remote storage.
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The text file will contain the target of the symbolic link (see example).
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This flag applies to all commands.
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For example, supposing you have a directory structure like this
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```
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$ tree /tmp/a
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/tmp/a
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├── file1 -> ./file4
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└── file2 -> /home/user/file3
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```
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Copying the entire directory with '-l'
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```
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$ rclone copyto -l /tmp/a/file1 remote:/tmp/a/
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```
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The remote files are created with a '.rclonelink' suffix
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```
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$ rclone ls remote:/tmp/a
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5 file1.rclonelink
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14 file2.rclonelink
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```
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The remote files will contain the target of the symbolic links
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```
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$ rclone cat remote:/tmp/a/file1.rclonelink
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./file4
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$ rclone cat remote:/tmp/a/file2.rclonelink
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/home/user/file3
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```
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Copying them back with '-l'
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```
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$ rclone copyto -l remote:/tmp/a/ /tmp/b/
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$ tree /tmp/b
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/tmp/b
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├── file1 -> ./file4
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└── file2 -> /home/user/file3
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```
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However, if copied back without '-l'
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```
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$ rclone copyto remote:/tmp/a/ /tmp/b/
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$ tree /tmp/b
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/tmp/b
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├── file1.rclonelink
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└── file2.rclonelink
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````
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Note that this flag is incompatible with `-copy-links` / `-L`.
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### Restricting filesystems with --one-file-system
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Normally rclone will recurse through filesystems as mounted.
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However if you set `--one-file-system` or `-x` this tells rclone to
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stay in the filesystem specified by the root and not to recurse into
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different file systems.
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For example if you have a directory hierarchy like this
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```
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root
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├── disk1 - disk1 mounted on the root
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│ └── file3 - stored on disk1
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├── disk2 - disk2 mounted on the root
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│ └── file4 - stored on disk12
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├── file1 - stored on the root disk
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└── file2 - stored on the root disk
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```
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Using `rclone --one-file-system copy root remote:` will only copy `file1` and `file2`. Eg
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```
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$ rclone -q --one-file-system ls root
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0 file1
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0 file2
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```
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```
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$ rclone -q ls root
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0 disk1/file3
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0 disk2/file4
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0 file1
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0 file2
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```
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**NB** Rclone (like most unix tools such as `du`, `rsync` and `tar`)
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treats a bind mount to the same device as being on the same
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filesystem.
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**NB** This flag is only available on Unix based systems. On systems
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where it isn't supported (eg Windows) it will be ignored.
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<!--- autogenerated options start - DO NOT EDIT, instead edit fs.RegInfo in backend/local/local.go then run make backenddocs -->
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### Standard Options
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Here are the standard options specific to local (Local Disk).
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#### --local-nounc
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Disable UNC (long path names) conversion on Windows
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- Config: nounc
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- Env Var: RCLONE_LOCAL_NOUNC
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- Type: string
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- Default: ""
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- Examples:
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- "true"
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- Disables long file names
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### Advanced Options
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Here are the advanced options specific to local (Local Disk).
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#### --copy-links
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Follow symlinks and copy the pointed to item.
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- Config: copy_links
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- Env Var: RCLONE_LOCAL_COPY_LINKS
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- Type: bool
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- Default: false
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#### --links
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Translate symlinks to/from regular files with a '.rclonelink' extension
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- Config: links
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- Env Var: RCLONE_LOCAL_LINKS
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- Type: bool
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- Default: false
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#### --skip-links
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Don't warn about skipped symlinks.
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This flag disables warning messages on skipped symlinks or junction
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points, as you explicitly acknowledge that they should be skipped.
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- Config: skip_links
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- Env Var: RCLONE_LOCAL_SKIP_LINKS
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- Type: bool
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- Default: false
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#### --local-no-unicode-normalization
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Don't apply unicode normalization to paths and filenames (Deprecated)
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This flag is deprecated now. Rclone no longer normalizes unicode file
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names, but it compares them with unicode normalization in the sync
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routine instead.
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- Config: no_unicode_normalization
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- Env Var: RCLONE_LOCAL_NO_UNICODE_NORMALIZATION
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- Type: bool
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- Default: false
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#### --local-no-check-updated
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Don't check to see if the files change during upload
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Normally rclone checks the size and modification time of files as they
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are being uploaded and aborts with a message which starts "can't copy
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- source file is being updated" if the file changes during upload.
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However on some file systems this modification time check may fail (eg
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[Glusterfs #2206](https://github.com/rclone/rclone/issues/2206)) so this
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check can be disabled with this flag.
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- Config: no_check_updated
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- Env Var: RCLONE_LOCAL_NO_CHECK_UPDATED
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- Type: bool
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- Default: false
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#### --one-file-system
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Don't cross filesystem boundaries (unix/macOS only).
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- Config: one_file_system
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- Env Var: RCLONE_LOCAL_ONE_FILE_SYSTEM
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- Type: bool
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- Default: false
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#### --local-case-sensitive
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Force the filesystem to report itself as case sensitive.
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Normally the local backend declares itself as case insensitive on
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Windows/macOS and case sensitive for everything else. Use this flag
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to override the default choice.
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- Config: case_sensitive
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- Env Var: RCLONE_LOCAL_CASE_SENSITIVE
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- Type: bool
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- Default: false
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#### --local-case-insensitive
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Force the filesystem to report itself as case insensitive
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Normally the local backend declares itself as case insensitive on
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Windows/macOS and case sensitive for everything else. Use this flag
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to override the default choice.
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- Config: case_insensitive
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- Env Var: RCLONE_LOCAL_CASE_INSENSITIVE
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- Type: bool
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- Default: false
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<!--- autogenerated options stop -->
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