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[ANNOUNCEMENT] Updated: grep-2.5g
- From: Christopher Faylor <cygwin at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Thu, 21 Feb 2002 21:53:52 -0500
- Subject: [ANNOUNCEMENT] Updated: grep-2.5g
- Reply-to: cygwin at cygwin dot com
I've made a new version of 'grep' available for download. This updates
the package to the latest version available from ftp.gnu.org. I've
included the update info from the /usr/doc/grep-2.5g/NEWS file below.
For a brief descripton of this package, see http://cygwin.com/packages/ .
Note that this version of grep now relies on the libintl1 package:
and the pcre package:
Both of these packages either should already be on your system or should
be installed automatically by setup.exe thanks to setup.exe's dependency
To update your installation, click on the "Install Cygwin now" link on
the http://cygwin.com/ web page. This downloads setup.exe to your
system. Then, run setup and answer all of the questions. The 'grep'
package should be updated automatically.
Note that we do not allow downloads from sources.redhat.com (aka
cygwin.com) due to bandwidth limitations. This means that you will need
to find a mirror which has this update.
In the US,
is a reliable high bandwidth connection.
usually pretty good.
In the UK,
is usually up-to-date within 48 hours.
If one of the above doesn't have the latest version of this package then
you can either wait for the site to be updated or find another mirror.
If you have questions or comments, please send them to the Cygwin
mailing list at: firstname.lastname@example.org . I would appreciate it if you would
use this mailing list rather than emailing me directly. This includes
ideas and comments about the setup utility or Cygwin in general. Really.
No kidding. Email cygwin stuff to email@example.com.
If you want to make a point or ask a question, the Cygwin mailing list
is the appropriate place.
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Cygwin Engineering Manager (and Developer)
Red Hat, Inc.
- The new option --label allows to specify a different name for input
from stdin. See the man or info pages for details.
- The internal lib/getopt* files are no longer used on systems providing
getopt functionality in their libc (e.g. glibc 2.2.x).
If you need the old getopt files, use --with-included-getopt.
- The new option --only-matching (-o) will print only the part of matching
lines that matches the pattern. This is useful, for example, to extract
IP addresses from log files.
- i18n bug fixed ([A-Z0-9] wouldn't match A in locales other than C on
systems using recent glibc builds
- GNU grep can now be built with autoconf 2.52.
- The new option --devices controls how grep handles device files. Its usage
is analogous to --directories.
- The new option --line-buffered fflush on everyline. There is a noticeable
slow down when forcing line buffering.
- Back references are now local to the regex.
grep -e '\(a\)\1' -e '\(b\)\1'
The last backref \1 in the second expression refer to \(b\)
- The new option --include=PATTERN will only search matching files
when recursing in directories
- The new option --exclude=PATTERN will skip matching files when
recursing in directories.
- The new option --color will use the environment variable GREP_COLOR
(default is red) to highlight the matching string.
--color takes an optional argument specifying when to colorize a line:
--color=always, --color=tty, --color=never
- The following changes are for POSIX.2 conformance:
. The -q or --quiet or --silent option now causes grep to exit
with zero status when a input line is selected, even if an error
. The -s or --no-messages option no longer affects the exit status.
. Bracket regular expressions like [a-z] are now locale-dependent.
For example, many locales sort characters in dictionary order,
and in these locales the regular expression [a-d] is not
equivalent to [abcd]; it might be equivalent to [aBbCcDd], for
example. To obtain the traditional interpretation of bracket
expressions, you can use the C locale by setting the LC_ALL
environment variable to the value "C".
- The -C or --context option now requires an argument, partly for
consistency, and partly because POSIX.2 recommends against
- The new -P or --perl-regexp option tells grep to interpert the pattern as
a Perl regular expression.
- The new option --max-count=num makes grep stop reading a file after num
New option -m; equivalent to --max-count.
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