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[Coreutils-announce] coreutils-5.3.0 released (unstable)
From: |
Jim Meyering |
Subject: |
[Coreutils-announce] coreutils-5.3.0 released (unstable) |
Date: |
Mon, 10 Jan 2005 20:13:31 +0100 |
I am happy to announce a test release of the GNU coreutils.
The GNU coreutils package is the combination of and replacement
for the fileutils, sh-utils, and textutils packages.
This package contains the following programs:
[ basename cat chgrp chmod chown chroot cksum comm cp csplit cut date
dd df dir dircolors dirname du echo env expand expr factor false fmt
fold groups head hostid hostname id install join kill link ln logname
ls md5sum mkdir mkfifo mknod mv nice nl nohup od paste pathchk pinky pr
printenv printf ptx pwd readlink rm rmdir seq sha1sum shred sleep sort
split stat stty su sum sync tac tail tee test touch tr true tsort tty
uname unexpand uniq unlink uptime users vdir wc who whoami yes
There have been many changes in the nine months since the last release
(stable 5.2.1). So many that I feel 5.3.0 must be considered unstable.
There have been many bug fixes as well as quite a few feature additions.
The next release is expected to be a bug-fix-only release.
Special thanks go to Paul Eggert for his many contributions. Thanks to
everyone else who contributed changes (attributions are in the ChangeLog
files), reported problems, and helped by fielding questions on the
mailing list.
Here are the compressed sources:
ftp://alpha.gnu.org/gnu/coreutils/coreutils-5.3.0.tar.gz (6.6MB)
ftp://alpha.gnu.org/gnu/coreutils/coreutils-5.3.0.tar.bz2 (4.3MB)
http://meyering.free.fr/coreutils/coreutils-5.3.0.tar.gz (6.6MB)
http://meyering.free.fr/coreutils/coreutils-5.3.0.tar.bz2 (4.3MB)
Here are the xdelta-style diffs:
ftp://alpha.gnu.org/gnu/coreutils/coreutils-5.2.1-5.3.0.xdelta (1.9MB)
http://meyering.free.fr/coreutils/coreutils-5.2.1-5.3.0.xdelta (1.9MB)
Here are the GPG detached signatures:
ftp://alpha.gnu.org/gnu/coreutils/coreutils-5.3.0.tar.gz.sig
ftp://alpha.gnu.org/gnu/coreutils/coreutils-5.3.0.tar.bz2.sig
http://meyering.free.fr/coreutils/coreutils-5.3.0.tar.gz.sig
http://meyering.free.fr/coreutils/coreutils-5.3.0.tar.bz2.sig
Here are the MD5 and SHA1 checksums:
9020750cc0be4a0d1b14b75620e9ede1 coreutils-5.3.0.tar.gz
903890208248639ac723d2c4988e04bd coreutils-5.3.0.tar.bz2
d1560a9b3a248ec674f42074177148c8 coreutils-5.2.1-5.3.0.xdelta
cb7370d2e5c05ed926ed6d4a61b286c468a2939c coreutils-5.3.0.tar.gz
3fcaaa87ace1a6e239e2fbafcb121a7836a14f32 coreutils-5.3.0.tar.bz2
8f0a7235e97c802de7ebfaa3fd012fec7aed00e9 coreutils-5.2.1-5.3.0.xdelta
NEWS
* Major changes in release 5.3.0 (2005-01-08) [unstable]
** Bug fixes
Several fixes to chgrp and chown for compatibility with POSIX and BSD:
Do not affect symbolic links by default.
Now, operate on whatever a symbolic link points to, instead.
To get the old behavior, use --no-dereference (-h).
--dereference now works, even when the specified owner
and/or group match those of an affected symlink.
Check for incompatible options. When -R and --dereference are
both used, then either -H or -L must also be used. When -R and -h
are both used, then -P must be in effect.
-H, -L, and -P have no effect unless -R is also specified.
If -P and -R are both specified, -h is assumed.
Do not optimize away the chown() system call when the file's owner
and group already have the desired value. This optimization was
incorrect, as it failed to update the last-changed time and reset
special permission bits, as POSIX requires.
"chown : file", "chown '' file", and "chgrp '' file" now succeed
without changing the uid or gid, instead of reporting an error.
Do not report an error if the owner or group of a
recursively-encountered symbolic link cannot be updated because
the file system does not support it.
chmod now accepts multiple mode-like options, e.g., "chmod -r -w f".
chown is no longer subject to a race condition vulnerability, when
used with --from=O:G and without the (-h) --no-dereference option.
cut's --output-delimiter=D option works with abutting byte ranges.
dircolors's documentation now recommends that shell scripts eval
"`dircolors`" rather than `dircolors`, to avoid shell expansion pitfalls.
du no longer segfaults when a subdirectory of an operand
directory is removed while du is traversing that subdirectory.
Since the bug was in the underlying fts.c module, it also affected
chown, chmod, and chgrp.
du's --exclude-from=FILE and --exclude=P options now compare patterns
against the entire name of each file, rather than against just the
final component.
echo now conforms to POSIX better. It supports the \0ooo syntax for
octal escapes, and \c now terminates printing immediately. If
POSIXLY_CORRECT is set and the first argument is not "-n", echo now
outputs all option-like arguments instead of treating them as options.
expand and unexpand now conform to POSIX better. They check for
blanks (which can include characters other than space and tab in
non-POSIX locales) instead of spaces and tabs. Unexpand now
preserves some blanks instead of converting them to tabs or spaces.
"ln x d/" now reports an error if d/x is a directory and x a file,
instead of incorrectly creating a link to d/x/x.
ls no longer segfaults on systems for which SIZE_MAX != (size_t) -1.
md5sum and sha1sum now report an error when given so many input
lines that their line counter overflows, instead of silently
reporting incorrect results.
Fixes for "nice":
If it fails to lower the nice value due to lack of permissions,
it goes ahead and runs the command anyway, as POSIX requires.
It no longer incorrectly reports an error if the current nice
value happens to be -1.
It no longer assumes that nice values range from -20 through 19.
It now consistently adjusts out-of-range nice values to the
closest values in range; formerly it sometimes reported an error.
pathchk no longer accepts trailing options, e.g., "pathchk -p foo -b"
now treats -b as a file name to check, not as an invalid option.
`pr --columns=N' was not equivalent to `pr -N' when also using
either -s or -w.
pr now supports page numbers up to 2**64 on most hosts, and it
detects page number overflow instead of silently wrapping around.
pr now accepts file names that begin with "+" so long as the rest of
the file name does not look like a page range.
printf has several changes:
It now uses 'intmax_t' (not 'long int') to format integers, so it
can now format 64-bit integers on most modern hosts.
On modern hosts it now supports the C99-inspired %a, %A, %F conversion
specs, the "'" and "0" flags, and the ll, j, t, and z length modifiers
(this is compatible with recent Bash versions).
The printf command now rejects invalid conversion specifications
like %#d, instead of relying on undefined behavior in the underlying
printf function.
ptx now diagnoses invalid values for its --width=N (-w)
and --gap-size=N (-g) options.
mv (when moving between partitions) no longer fails when
operating on too many command-line-specified nonempty directories.
rm (without -f) no longer hangs when attempting to remove a symlink
to a file on an off-line NFS-mounted partition.
rm no longer gets a failed assertion under some unusual conditions.
rm no longer requires read access to the current directory.
"rm -r" would mistakenly fail to remove files under a directory
for some types of errors (e.g., read-only file system, I/O error)
when first encountering the directory.
"sort" fixes:
"sort -o -" now writes to a file named "-" instead of to standard
output; POSIX requires this.
An unlikely race condition has been fixed where "sort" could have
mistakenly removed a temporary file belonging to some other process.
"sort" no longer has O(N**2) behavior when it creates many temporary files.
tac can now handle regular, nonseekable files like Linux's
/proc/modules. Before, it would produce no output for such a file.
tac would exit immediately upon I/O or temp-file creation failure.
Now it continues on, processing any remaining command line arguments.
"tail -f" no longer mishandles pipes and fifos. With no operands,
tail now ignores -f if standard input is a pipe, as POSIX requires.
When conforming to POSIX 1003.2-1992, tail now supports the SUSv2 b
modifier (e.g., "tail -10b file") and it handles some obscure cases
more correctly, e.g., "tail +cl" now reads the file "+cl" rather
than reporting an error, "tail -c file" no longer reports an error,
and "tail - file" no longer reads standard input.
tee now exits when it gets a SIGPIPE signal, as POSIX requires.
To get tee's old behavior, use the shell command "(trap '' PIPE; tee)".
Also, "tee -" now writes to standard output instead of to a file named "-".
"touch -- MMDDhhmm[yy] file" is now equivalent to
"touch MMDDhhmm[yy] file" even when conforming to pre-2001 POSIX.
tr no longer mishandles a second operand with leading "-".
who now prints user names in full instead of truncating them after 8 bytes.
The following commands now reject unknown options instead of
accepting them as operands, so that users are properly warned that
options may be added later. Formerly they accepted unknown options
as operands; e.g., "basename -a a" acted like "basename -- -a a".
basename dirname factor hostname link nohup sync unlink yes
** New features
For efficiency, `sort -m' no longer copies input to a temporary file
merely because the input happens to come from a pipe. As a result,
some relatively-contrived examples like `cat F | sort -m -o F - G'
are no longer safe, as `sort' might start writing F before `cat' is
done reading it. This problem cannot occur unless `-m' is used.
When outside the default POSIX locale, the 'who' and 'pinky'
commands now output time stamps like "2004-06-21 13:09" instead of
the traditional "Jun 21 13:09".
pwd now works even when run from a working directory whose name
is longer than PATH_MAX.
cp, install, ln, and mv have a new --no-target-directory (-T) option,
and -t is now a short name for their --target-directory option.
cp -pu and mv -u (when copying) now don't bother to update the
destination if the resulting time stamp would be no newer than the
preexisting time stamp. This saves work in the common case when
copying or moving multiple times to the same destination in a file
system with a coarse time stamp resolution.
cut accepts a new option, --complement, to complement the set of
selected bytes, characters, or fields.
dd now also prints the number of bytes transferred, the time, and the
transfer rate. The new "status=noxfer" operand suppresses this change.
dd has new conversions for the conv= option:
nocreat do not create the output file
excl fail if the output file already exists
fdatasync physically write output file data before finishing
fsync likewise, but also write metadata
dd has new iflag= and oflag= options with the following flags:
append append mode (makes sense for output file only)
direct use direct I/O for data
dsync use synchronized I/O for data
sync likewise, but also for metadata
nonblock use non-blocking I/O
nofollow do not follow symlinks
noctty do not assign controlling terminal from file
stty now provides support (iutf8) for setting UTF-8 input mode.
With stat, a specified format is no longer automatically newline terminated.
If you want a newline at the end of your output, append `\n' to the format
string.
'df', 'du', and 'ls' now take the default block size from the
BLOCKSIZE environment variable if the BLOCK_SIZE, DF_BLOCK_SIZE,
DU_BLOCK_SIZE, and LS_BLOCK_SIZE environment variables are not set.
Unlike the other variables, though, BLOCKSIZE does not affect
values like 'ls -l' sizes that are normally displayed as bytes.
This new behavior is for compatibility with BSD.
du accepts a new option --files0-from=FILE, where FILE contains a
list of NUL-terminated file names.
Date syntax as used by date -d, date -f, and touch -d has been
changed as follows:
Dates like `January 32' with out-of-range components are now rejected.
Dates can have fractional time stamps like 2004-02-27 14:19:13.489392193.
Dates can be entered via integer counts of seconds since 1970 when
prefixed by `@'. For example, address@hidden' represents 1970-01-01
00:05:21 UTC.
Time zone corrections can now separate hours and minutes with a colon,
and can follow standard abbreviations like "UTC". For example,
"UTC +0530" and "+05:30" are supported, and are both equivalent to "+0530".
Date values can now have leading TZ="..." assignments that override
the environment only while that date is being processed. For example,
the following shell command converts from Paris to New York time:
TZ="America/New_York" date --date='TZ="Europe/Paris" 2004-10-31 06:30'
`date' has a new option --iso-8601=ns that outputs
nanosecond-resolution time stamps.
echo -e '\xHH' now outputs a byte whose hexadecimal value is HH,
for compatibility with bash.
ls now exits with status 1 on minor problems, 2 if serious trouble.
ls has a new --hide=PATTERN option that behaves like
--ignore=PATTERN, except that it is overridden by -a or -A.
This can be useful for aliases, e.g., if lh is an alias for
"ls --hide='*~'", then "lh -A" lists the file "README~".
In the following cases POSIX allows the default GNU behavior,
so when POSIXLY_CORRECT is set:
false, printf, true, unlink, and yes all support --help and --option.
ls supports TABSIZE.
pr no longer depends on LC_TIME for the date format in non-POSIX locales.
printf supports \u, \U, \x.
tail supports two or more files when using the obsolete option syntax.
The usual `--' operand is now supported by chroot, hostid, hostname,
pwd, sync, and yes.
`od' now conforms to POSIX better, and is more compatible with BSD:
The older syntax "od [-abcdfilosx]... [FILE] [[+]OFFSET[.][b]]" now works
even without --traditional. This is a change in behavior if there
are one or two operands and the last one begins with +, or if
there are two operands and the latter one begins with a digit.
For example, "od foo 10" and "od +10" now treat the last operand as
an offset, not as a file name.
-h is no longer documented, and may be withdrawn in future versions.
Use -x or -t x2 instead.
-i is now equivalent to -t dI (not -t d2), and
-l is now equivalent to -t dL (not -t d4).
-s is now equivalent to -t d2. The old "-s[NUM]" or "-s NUM"
option has been renamed to "-S NUM".
The default output format is now -t oS, not -t o2, i.e., short int
rather than two-byte int. This makes a difference only on hosts like
Cray systems where the C short int type requires more than two bytes.
The stat option --filesystem has been renamed to --file-system, for
consistency with POSIX "file system" and with cp and du --one-file-system.
** Removed features
md5sum and sha1sum's undocumented --string option has been removed.
tail's undocumented --max-consecutive-size-changes option has been removed.
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