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Introduction
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FDUPES is a program for identifying duplicate files residing
within specified directories.
Usage
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Usage: fdupes [options] DIRECTORY...
-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 the option, manpage for more details)
-s --symlinks follow symlinks
-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
-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
-m --summarize summarize dupe information
-q --quiet hide progress indicator
-d --delete prompt user for files to preserve and delete all
others; important: under particular circumstances,
data may be lost when using this option together
with -s or --symlinks, or when specifying a
particular directory more than once; refer to the
fdupes documentation for additional information
-P --plain with --delete, use line-based prompt (as with older
versions of fdupes) instead of screen-mode interface
-N --noprompt together with --delete, preserve the first file in
each set of duplicates and delete the rest 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=BY select sort order for output and deleting; by file
modification time (BY='time'; default), status
change time (BY='ctime'), or filename (BY='name')
-i --reverse reverse order while sorting
-l --log=LOGFILE log file deletion choices to LOGFILE
-v --version display fdupes version
-h --help display this help message
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. For
instance, "with spaces" becomes "with\ spaces".
When using -d or --delete, care should be taken to insure against
accidental data loss. While no information will be immediately
lost, using this option together with -s or --symlink can lead
to confusing information being presented to the user when prompted
for files to preserve. Specifically, a user could accidentally
preserve a symlink while deleting the file it points to. A similar
problem arises 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!).
Contact Information for Adrian Lopez
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email: adrian2@caribe.net
Legal Information
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FDUPES Copyright (c) 1999-2018 Adrian Lopez
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
(the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of the Software,
and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.