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README

      1   Copyright (C) 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2004,
      2   2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
      3   
      4   Copying and distribution of this file, with or without modification,
      5   are permitted in any medium without royalty provided the copyright
      6   notice and this notice are preserved.
      7 
      8 This is GNU grep, the "fastest grep in the west" (we hope).  All
      9 bugs reported in previous releases have been fixed.  Many exciting new
     10 bugs have probably been introduced in this revision.
     11 
     12 GNU grep is provided "as is" with no warranty.  The exact terms
     13 under which you may use and (re)distribute this program are detailed
     14 in the GNU General Public License, in the file COPYING.
     15 
     16 GNU grep is based on a fast lazy-state deterministic matcher (about
     17 twice as fast as stock Unix egrep) hybridized with a Boyer-Moore-Gosper
     18 search for a fixed string that eliminates impossible text from being
     19 considered by the full regexp matcher without necessarily having to
     20 look at every character.  The result is typically many times faster
     21 than Unix grep or egrep.  (Regular expressions containing backreferencing
     22 will run more slowly, however.)
     23 
     24 See the files AUTHORS and THANKS for a list of authors and other contributors.
     25 
     26 See the file INSTALL for compilation and installation instructions.
     27 
     28 See the file NEWS for a description of major changes in this release.
     29 
     30 See the file TODO for ideas on how you could help us improve grep.
     31 
     32 See the file README-alpha for information on grep development and the CVS
     33   repository.
     34 
     35 Send bug reports to bug-grep (a] gnu.org.
     36 
     37 KNOWN BUGS:
     38 
     39 Several tests in fmbtest.sh and foad1.sh fail under the cs_CZ.UTF-8 locale
     40 and have been disabled.
     41 
     42 The combination of -o and -i options is broken and the known failing cases
     43 are disabled in foad1.sh
     44 
     45 The option -i does not work properly in some multibyte locales such as 
     46 tr_TR.UTF-8 where the upper case and lower case forms of a character are not
     47 necessarily of the same byte length.
     48 
     49 Additional bug reports can be found at:
     50 
     51 	http://savannah.gnu.org/bugs/?group=grep
     52 
     53 You can also browse the bug-grep mailing list archive at:
     54 
     55 	http://lists.gnu.org/archive/html/bug-grep/
     56 
     57 

README-alpha

      1   Copyright (C) 1992, 1997, 1998, 1999, 2000, 2001, 2002, 2004,
      2   2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
      3   
      4   Copying and distribution of this file, with or without modification,
      5   are permitted in any medium without royalty provided the copyright
      6   notice and this notice are preserved.
      7 
      8 The development source code is available via CVS from Savannah: see
      9 <http://savannah.gnu.org/cvs/?group=grep>.  The main project page is at
     10 <http://savannah.gnu.org/projects/grep/>.
     11 
     12 The source code in the CVS uses autotools to generate some files. Before
     13 following the instructions in the INSTALL file for compiling grep, you
     14 need to run the autogen.sh script. If you don't have the autotools
     15 installed on your system, you can download a CVS release file (generated
     16 with `make dist') from <http://www.dal-acm.ca/~taa/grep/>.
     17 
     18 Test releases are available at <http://alpha.gnu.org/gnu/grep/>.
     19 
     20 Please submit bug reports to <bug-grep (a] gnu.org>.
     21 
     22 If you are interested in the development of GNU grep, you may want to
     23 subscribe to the development mailing list.  To subscribe, send an email
     24 message to <bug-grep-request (a] gnu.org> with "subscribe" (without the
     25 quotation marks) in the subject header field (or in the body) of the
     26 email, or visit <http://lists.gnu.org/mailman/listinfo/bug-grep>.
     27 
     28 To follow development more closely, there is also the grep-commit mailing
     29 list to which log entries (one per commit) and diff output (one per
     30 modified file) from CVS are automatically sent.  To subscribe, send an
     31 email message to <grep-commit-request (a] gnu.org> with "subscribe" (without
     32 the quotation marks) in the subject header field (or in the body) of
     33 the email, or visit <http://lists.gnu.org/mailman/listinfo/grep-commit>.
     34 
     35 A web page containing information for GNU grep developers is at 
     36 <http://www.gnu.org/software/grep/devel.html>.
     37