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All releases of grep

  •  25 May 2014 19:31
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    Release Notes: Performance was improved, though the performance of "grep -P" in UTF-8 locales was negatively impacted by some bug fixes. Many pattern handling errors and inconsistencies were fixed. "grep -P" now works with "-w" and "-x" and backreferences. Output of separators is now consistent. Other minor bugs were fixed.

    •  02 Apr 2014 15:53
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      Release Notes: Usage with multibyte locales was significantly accelerated. Mishandling of patterns like [^^-~] in unibyte locales was fixed. The deprecated "--mmap" option was removed. The behavior of the shortcurts "\s" and "\S" in multibyte locales was fixed. Handling of arbitrary PCRE errors was improved. Various further minor bug fixes were made.

      •  08 Jan 2014 19:33
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        Release Notes: "grep -P" can now use a just-in-time compiler to greatly speed up matches, assuming proper support from PCRE. Several multi-byte issues where resolved. Handling of very long lines on systems with a deficient read system call was improved.

        •  21 Aug 2012 09:04
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          Release Notes: Several false results of "grep -i '^$'" in multi-byte locales were resolved. A misdetection of text files as binary was resolved.

          •  05 Jul 2012 13:15
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            Release Notes: Sparse files are now treated as binary by default. Multi-byte locales with mismatching sizes of lower- and uppercase characters are now handled properly. A fix has been made to again allow the combined use of the "--include" and "--exclude" options.

            •  25 Apr 2012 07:33
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              Release Notes: Recursive grep now handles large directory hierarchies much better. The "-R" option now has a long-option alias. The "-r" ("--recursive") option now follows only commandline symbolic links. Several minor bugs have been fixed.

              •  09 Mar 2012 15:31
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                Release Notes: Handling of very long lines as well as very long context line counts for the "-m", "-A", "-B", and "-C" options has been improved, removing some restrictions and avoiding core dumps. Recursive grep ("-r") without a file argument now defaults to using the current directory. The "--include", "--exclude", and "--exclude-dir" options now handle commandline arguments more consistently. More chances for infinite loops have been eliminated. Other minor changes and bugfixes have been made.

                •  17 Nov 2011 19:58
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                  Release Notes: grep no longer mishandles high-bit-set pattern bytes on systems where "char" is a signed type (probably only affecting MS Windows). Command lines which potentially result in an infinite disk-filling loop are now rejected.

                  •  23 Jun 2011 13:39
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                    Release Notes: grep's interpretation of range expression is now more consistent with that of other tools. The exit status on memory allocation failure was fixed. "grep -P" no longer aborts when PCRE's backtracking limit is exceeded. Handling of regular expressions that match multibyte characters in brackets was made faster. Other minor bugs were fixed.

                    •  22 Sep 2010 20:51
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                      Release Notes: Commonly mistyped regular expressions are now detected and lead to an error unless POSIXLY_CORRECT is set. Regular expressions including back references are now significantly faster in multi-byte locales. Regular expressions including "." can now be significantly faster in UTF-8 locales (though not in other multi-byte locales). Several other minor bugs were fixed.

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