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revision 96 by nigel, Fri Mar 2 13:10:43 2007 UTC revision 182 by ph10, Wed Jun 13 15:09:54 2007 UTC
# Line 17  man page, in case the conversion went wr Line 17  man page, in case the conversion went wr
17  <li><a name="TOC2" href="#SEC2">SAVING A COMPILED PATTERN</a>  <li><a name="TOC2" href="#SEC2">SAVING A COMPILED PATTERN</a>
18  <li><a name="TOC3" href="#SEC3">RE-USING A PRECOMPILED PATTERN</a>  <li><a name="TOC3" href="#SEC3">RE-USING A PRECOMPILED PATTERN</a>
19  <li><a name="TOC4" href="#SEC4">COMPATIBILITY WITH DIFFERENT PCRE RELEASES</a>  <li><a name="TOC4" href="#SEC4">COMPATIBILITY WITH DIFFERENT PCRE RELEASES</a>
20    <li><a name="TOC5" href="#SEC5">AUTHOR</a>
21    <li><a name="TOC6" href="#SEC6">REVISION</a>
22  </ul>  </ul>
23  <br><a name="SEC1" href="#TOC1">SAVING AND RE-USING PRECOMPILED PCRE PATTERNS</a><br>  <br><a name="SEC1" href="#TOC1">SAVING AND RE-USING PRECOMPILED PCRE PATTERNS</a><br>
24  <P>  <P>
# Line 32  tables, it is a little bit more complica Line 34  tables, it is a little bit more complica
34  If you save compiled patterns to a file, you can copy them to a different host  If you save compiled patterns to a file, you can copy them to a different host
35  and run them there. This works even if the new host has the opposite endianness  and run them there. This works even if the new host has the opposite endianness
36  to the one on which the patterns were compiled. There may be a small  to the one on which the patterns were compiled. There may be a small
37  performance penalty, but it should be insignificant.  performance penalty, but it should be insignificant. However, compiling regular
38    expressions with one version of PCRE for use with a different version is not
39    guaranteed to work and may cause crashes.
40  </P>  </P>
41  <br><a name="SEC2" href="#TOC1">SAVING A COMPILED PATTERN</a><br>  <br><a name="SEC2" href="#TOC1">SAVING A COMPILED PATTERN</a><br>
42  <P>  <P>
# Line 120  usual way. Line 124  usual way.
124  </P>  </P>
125  <br><a name="SEC4" href="#TOC1">COMPATIBILITY WITH DIFFERENT PCRE RELEASES</a><br>  <br><a name="SEC4" href="#TOC1">COMPATIBILITY WITH DIFFERENT PCRE RELEASES</a><br>
126  <P>  <P>
127  The layout of the control block that is at the start of the data that makes up  In general, it is safest to recompile all saved patterns when you update to a
128  a compiled pattern was changed for release 5.0. If you have any saved patterns  new PCRE release, though not all updates actually require this. Recompiling is
129  that were compiled with previous releases (not a facility that was previously  definitely needed for release 7.2.
 advertised), you will have to recompile them for release 5.0 and above.  
130  </P>  </P>
131    <br><a name="SEC5" href="#TOC1">AUTHOR</a><br>
132  <P>  <P>
133  If you have any saved patterns in UTF-8 mode that use \p or \P that were  Philip Hazel
134  compiled with any release up to and including 6.4, you will have to recompile  <br>
135  them for release 6.5 and above.  University Computing Service
136  </P>  <br>
137  <P>  Cambridge CB2 3QH, England.
138  All saved patterns from earlier releases must be recompiled for release 7.0 or  <br>
 higher, because there was an internal reorganization at that release.  
139  </P>  </P>
140    <br><a name="SEC6" href="#TOC1">REVISION</a><br>
141  <P>  <P>
142  Last updated: 28 November 2006  Last updated: 13 June 2007
143    <br>
144    Copyright &copy; 1997-2007 University of Cambridge.
145  <br>  <br>
 Copyright &copy; 1997-2006 University of Cambridge.  
146  <p>  <p>
147  Return to the <a href="index.html">PCRE index page</a>.  Return to the <a href="index.html">PCRE index page</a>.
148  </p>  </p>
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