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The following list, organized by fdupes version, documents changes
to fdupes. Every item on the list includes, inside square brackets,
a list of indentifiers referring to the people who contributed
that particular item. When more than one person is listed the person
who contributed the patch or idea appears first, followed by
those who've otherwise worked on that item. For a list of
contributors names and identifiers please see the CONTRIBUTORS file.
Changes from 2.3.0 to 2.3.1:
- Fix buffer overflow bug in getrealpath() function.
Changes from 2.2.1 to 2.3.0:
- Add --cache option to speed up file comparisons.
- Use nanosecond precision for file times, if available.
- Fix compilation issue on OpenBSD.
- Other changes like fixing typos, wording, etc.
Changes from 2.2.0 to 2.2.1:
- Fix bug in code meant to skip over the current log file when --log
option is given.
- Updates to copyright notices in source code.
Changes from 2.1.2 to 2.2.0:
- Add --deferconfirmation option.
- Check that files marked as duplicates haven't changed during program
execution before deleting them.
- Update documentation to indicate units for SIZE in command-line options.
- Move some configuration settings to configure.ac file.
Changes from 2.1.1 to 2.1.2:
- Do not enter ncurses mode when --immediate option given.
- Fix logging/memory corruption bug when using --log with --immediate.
Changes from 2.1.0 to 2.1.1:
- Break mtime ties using ctime when sorting by time.
- Reduce number of calls to stat(), for speed.
- Clear last command status when new command is entered.
Changes from 2.0.0 to 2.1.0:
- Rename cs command ("clear all selections") from cs to csel.
- Rename igs command ("invert selections") from igs to isel.
- Add "prune" command as synonym for DELETE key.
- Clear selections after deleting files via prune/DELETE.
- Fix dependency issues when fdupes is configured to not use ncurses.
Changes from 1.6.1 to 2.0.0:
- Add ncurses mode for interactive file deletion (plain mode still available
via --plain or ./configure).
- Add --minsize option.
- Add --maxsize option.
- Add --time option.
- Add --order=ctime option.
- Add --log option.
- Use configure script for installation (Autotools/Automake).
Changes from 1.6.0 to 1.6.1:
- Fix 'invalid option' error for -I. [AL]
Changes from 1.51 to 1.6.0:
- Add --nohidden option. [MC]
- Add --permissions option. [MV]
- Add --order option. [SB]
- Add --reverse option. [AL]
- Add --immediate option. [AL]
- Speed up file comparison. [SB, ST]
- Fix bug where fdupes fails to consistently ignore hardlinks, depending on
file processing order, when F_CONSIDERHARDLINKS flag is not set. [AL]
- Fix bug in is_hardlink(): Proper traversal of duplicates is done via
dupe->duplicates, not via dupe->next. [AL]
- Revise md5.c to compile under OSX. [TH]
- Remove EXTERNAL_MD5 configuration option. [ID]
- Various other changes (see git log).
Changes from 1.50 to 1.51
- Added support for 64-bit file offsets on 32-bit systems.
- Using tty for interactive input instead of regular stdin. This is to
allow feeding filenames via stdin in future versions of fdupes without
breaking interactive deletion feature.
- Fixed some typos in --help.
- Turned C++ style comments into C style comments.
Changes from 1.40 to 1.50-PR2
- Fixed memory leak. [JB]
- Added "--summarize" option. [AL]
- Added "--recurse:" selective recursion option. [AL]
- Added "--noprompt" option for totally automated deletion of
duplicate files.
- Now sorts duplicates (old to new) for consistent order when
listing or deleteing duplicate files.
- Now tests for early matching of files, which should help speed up
the matching process when large files are involved.
- Added warning whenever a file cannot be deleted. [CHL, AL]
- Fixed bug where some files would not be closed after failure. [AL]
- Fixed bug where confirmmatch() function wouldn't always deal
properly with zero-length files. [AL]
- Fixed bug where progress indicator would not be cleared
when no files were found. [AL]
- Removed experimental red-black tree code (it was slower on
my system than the default code). [AL]
- Modified md5/md5.c to avoid compiler warning. [CHL]
- Changes to fdupes.c for compilation under platforms where
getopt_long is unavailable. [LR, AL]
- Changes to help text for clarity. [AL]
- Various changes and improvements to Makefile. [PB, AL]
Changes from 1.31 to 1.40
- Added option to omit the first file in each group
of matches. [LM, AL]
- Added escaping of filenames containing spaces when
sameline option is specified. [AL]
- Changed version indicator format from "fdupes version X.Y"
to the simpler "fdupes X.Y". [AL]
- Changed ordering of options appearing in the help
text (--help), manpage, and README file. [AL]
Changes from 1.30 to 1.31
- Added interactive option to preserve all files during
delete procedure (something similar was already in
place, but now it's official). [AL]
- Updated delete procedure prompt format. [AL]
- Cosmetic code changes. [AL]
Changes from 1.20 to 1.30
- Added size option to display size of duplicates. [LB, AL]
- Added missing typecast for proper compilation under g++. [LB]
- Better handling of errors occurring during retrieval
of a file's signature. [KK, AL]
- No longer displays an error message when specified
directories contain no files. [AL]
- Added red-black tree structure (experimental compile-time
option, disabled by default). [AL]
Changes from 1.12 to 1.20
- Fixed bug where program would crash when files being
scanned were named pipes or sockets. [FD]
- Fix against security risk resulting from the use of a
temporary file to store md5sum output. [FD, AL]
- Using an external md5sum program is now optional. Started
using L. Peter Deutsh's MD5 library instead. [FD, AL]
- Added hardlinks option to distinguish between hard links
and actual duplicate files. [FD, AL]
- Added noempty option to exclude zero-length files
from consideration [AL]
Changes from 1.11 to 1.12
- Improved handling of extremely long input on preserve
prompt (delete option). [SSD, AL]
Changes from 1.1 to 1.11
- Started checking file sizes before signatures
for better performance. [AB, AL]
- Added fdupes manpage. [AB, AL]
Changes from 1.0 to 1.1
- Added delete option for semi-automatic deletion
of duplicate files. [AL]