Provided by: fdupes_2.3.0-1build1_amd64 
NAME
fdupes - finds duplicate files in a given set of directories
SYNOPSIS
fdupes [ options ] DIRECTORY ...
DESCRIPTION
Searches the given path for duplicate files. Such files are found by comparing file sizes and MD5
signatures, followed by a byte-by-byte comparison.
OPTIONS
-r --recurse
For every directory given follow subdirectories encountered within.
-R --recurse:
For each directory given after this option follow subdirectories encountered within (note the ':'
at the end of option; see the Examples section below for further explanation).
-s --symlinks
Follow symlinked directories.
-H --hardlinks
Normally, when two or more files point to the same disk area they are treated as non-duplicates;
this option will change this behavior.
-G --minsize=SIZE
Consider only files greater than or equal to SIZE in bytes.
-L --maxsize=SIZE
Consider only files less than or equal to SIZE in bytes.
-c --cache
Speed up file comparisons by keeping track of their signatures in a database; additional
parameters may be provided using one or more cache parameters (as indicated below). Please note
that this option may not be available on some systems.
-x cache.OPTION
Supply an optional cache parameter, where OPTION is one of the keywords below and multiple options
may be supplied via successive -x arguments:
readonly
read but do not update file signatures
prune
look through entire cache and delete orphaned entries
clear
clear all entries from cache
vacuum
reduce size of DB file, if possible
The options prune, clear, and vacuum may be employed without supplying a DIRECTORY argument, and
will take effect even if readonly is also specified. The order of operations is always clear,
prune, update signatures (unless readonly), and vacuum.
-n --noempty
Exclude zero-length files from consideration.
-A --nohidden
Exclude hidden files from consideration.
-f --omitfirst
Omit the first file in each set of matches.
-1 --sameline
List each set of matches on a single line.
-S --size
Show size of duplicate files.
-t --time
Show modification time of duplicate files.
-m --summarize
Summarize duplicate file information.
-q --quiet
Hide progress indicator.
-d --delete
Prompt user for files to preserve, deleting all others (see CAVEATS below).
-D --deferconfirmation
In interactive mode, defer byte-for-byte confirmation of duplicates until just before file
deletion.
-P --plain
With --delete, use a line-based prompt (as with older versions of fdupes) instead of the new
screen-mode interface. On installations where the screen-mode interface is not supported, fdupes
will default to a line-based prompt.
-N --noprompt
When used together with --delete, preserve the first file in each set of duplicates and delete the
others without prompting the user.
-I --immediate
Delete duplicates as they are encountered, without grouping into sets; implies --noprompt.
-p --permissions
Don't consider files with different owner/group or permission bits as duplicates.
-o --order=WORD
Order files according to WORD: time - sort by modification time, ctime - sort by status change
time, name - sort by filename.
-i --reverse
Reverse order while sorting.
-l --log=LOGFILE
Log file deletion choices to LOGFILE.
-v --version
Display fdupes version.
-h --help
Display help.
NOTES
Unless -1 or --sameline is specified, duplicate files are listed together in groups, each file displayed
on a separate line. The groups are then separated from each other by blank lines.
When -1 or --sameline is specified, spaces and backslash characters (\) appearing in a filename are
preceded by a backslash character.
EXAMPLES
fdupes a --recurse: b
Will follow subdirectories under b, but not those under a.
fdupes a --recurse b
Will follow subdirectories under both a and b.
CAVEATS
When using -d or --delete, care should be taken to insure against accidental data loss.
When used together with options -s or --symlink, a user could accidentally preserve a symlink while
deleting the file it points to.
Furthermore, when specifying a particular directory more than once, all files within that directory will
be listed as their own duplicates, leading to data loss should a user preserve a file without its
"duplicate" (the file itself!).
AUTHOR
Adrian Lopez <adrian2@caribe.net> FDUPES(1)