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revision 53 by nigel, Sat Feb 24 21:39:42 2007 UTC revision 101 by ph10, Tue Mar 6 15:19:44 2007 UTC
# Line 7  The latest release of PCRE is always ava Line 7  The latest release of PCRE is always ava
7    
8  Please read the NEWS file if you are upgrading from a previous release.  Please read the NEWS file if you are upgrading from a previous release.
9    
10  PCRE has its own native API, but a set of "wrapper" functions that are based on  
11  the POSIX API are also supplied in the library libpcreposix. Note that this  The PCRE APIs
12  just provides a POSIX calling interface to PCRE: the regular expressions  -------------
13  themselves still follow Perl syntax and semantics. The header file  
14  for the POSIX-style functions is called pcreposix.h. The official POSIX name is  PCRE is written in C, and it has its own API. The distribution now includes a
15  regex.h, but I didn't want to risk possible problems with existing files of  set of C++ wrapper functions, courtesy of Google Inc. (see the pcrecpp man page
16  that name by distributing it that way. To use it with an existing program that  for details).
17  uses the POSIX API, it will have to be renamed or pointed at by a link.  
18    Also included are a set of C wrapper functions that are based on the POSIX
19    API. These end up in the library called libpcreposix. Note that this just
20    provides a POSIX calling interface to PCRE: the regular expressions themselves
21    still follow Perl syntax and semantics. The header file for the POSIX-style
22    functions is called pcreposix.h. The official POSIX name is regex.h, but I
23    didn't want to risk possible problems with existing files of that name by
24    distributing it that way. To use it with an existing program that uses the
25    POSIX API, it will have to be renamed or pointed at by a link.
26    
27    If you are using the POSIX interface to PCRE and there is already a POSIX regex
28    library installed on your system, you must take care when linking programs to
29    ensure that they link with PCRE's libpcreposix library. Otherwise they may pick
30    up the "real" POSIX functions of the same name.
31    
32    
33    Documentation for PCRE
34    ----------------------
35    
36    If you install PCRE in the normal way, you will end up with an installed set of
37    man pages whose names all start with "pcre". The one that is just called "pcre"
38    lists all the others. In addition to these man pages, the PCRE documentation is
39    supplied in two other forms; however, as there is no standard place to install
40    them, they are left in the doc directory of the unpacked source distribution.
41    These forms are:
42    
43      1. Files called doc/pcre.txt, doc/pcregrep.txt, and doc/pcretest.txt. The
44         first of these is a concatenation of the text forms of all the section 3
45         man pages except those that summarize individual functions. The other two
46         are the text forms of the section 1 man pages for the pcregrep and
47         pcretest commands. Text forms are provided for ease of scanning with text
48         editors or similar tools.
49    
50      2. A subdirectory called doc/html contains all the documentation in HTML
51         form, hyperlinked in various ways, and rooted in a file called
52         doc/index.html.
53    
54    
55  Contributions by users of PCRE  Contributions by users of PCRE
# Line 30  Windows systems (I myself do not use Win Line 65  Windows systems (I myself do not use Win
65  others are pointers to URLs containing relevant files.  others are pointers to URLs containing relevant files.
66    
67    
68  Building PCRE on a Unix system  Building on non-Unix systems
69  ------------------------------  ----------------------------
70    
71  To build PCRE on a Unix system, first run the "configure" command from the PCRE  For a non-Unix system, read the comments in the file NON-UNIX-USE, though if
72  distribution directory, with your current directory set to the directory where  the system supports the use of "configure" and "make" you may be able to build
73  you want the files to be created. This command is a standard GNU "autoconf"  PCRE in the same way as for Unix systems.
74  configuration script, for which generic instructions are supplied in INSTALL.  
75    PCRE has been compiled on Windows systems and on Macintoshes, but I don't know
76    the details because I don't use those systems. It should be straightforward to
77    build PCRE on any system that has a Standard C compiler and library, because it
78    uses only Standard C functions.
79    
80    
81    Building PCRE on a Unix-like system
82    -----------------------------------
83    
84    If you are using HP's ANSI C++ compiler (aCC), please see the special note
85    in the section entitled "Using HP's ANSI C++ compiler (aCC)" below.
86    
87    To build PCRE on a Unix-like system, first run the "configure" command from the
88    PCRE distribution directory, with your current directory set to the directory
89    where you want the files to be created. This command is a standard GNU
90    "autoconf" configuration script, for which generic instructions are supplied in
91    INSTALL.
92    
93  Most commonly, people build PCRE within its own distribution directory, and in  Most commonly, people build PCRE within its own distribution directory, and in
94  this case, on many systems, just running "./configure" is sufficient, but the  this case, on many systems, just running "./configure" is sufficient, but the
95  usual methods of changing standard defaults are available. For example,  usual methods of changing standard defaults are available. For example:
96    
97  CFLAGS='-O2 -Wall' ./configure --prefix=/opt/local  CFLAGS='-O2 -Wall' ./configure --prefix=/opt/local
98    
# Line 55  into /source/pcre/pcre-xxx, but you want Line 107  into /source/pcre/pcre-xxx, but you want
107  cd /build/pcre/pcre-xxx  cd /build/pcre/pcre-xxx
108  /source/pcre/pcre-xxx/configure  /source/pcre/pcre-xxx/configure
109    
110  If you want to make use of the experimential, incomplete support for UTF-8  PCRE is written in C and is normally compiled as a C library. However, it is
111  character strings in PCRE, you must add --enable-utf8 to the "configure"  possible to build it as a C++ library, though the provided building apparatus
112  command. Without it, the code for handling UTF-8 is not included in the  does not have any features to support this.
113  library. (Even when included, it still has to be enabled by an option at run  
114  time.)  There are some optional features that can be included or omitted from the PCRE
115    library. You can read more about them in the pcrebuild man page.
116    
117    . If you want to suppress the building of the C++ wrapper library, you can add
118      --disable-cpp to the "configure" command. Otherwise, when "configure" is run,
119      will try to find a C++ compiler and C++ header files, and if it succeeds, it
120      will try to build the C++ wrapper.
121    
122    . If you want to make use of the support for UTF-8 character strings in PCRE,
123      you must add --enable-utf8 to the "configure" command. Without it, the code
124      for handling UTF-8 is not included in the library. (Even when included, it
125      still has to be enabled by an option at run time.)
126    
127    . If, in addition to support for UTF-8 character strings, you want to include
128      support for the \P, \p, and \X sequences that recognize Unicode character
129      properties, you must add --enable-unicode-properties to the "configure"
130      command. This adds about 30K to the size of the library (in the form of a
131      property table); only the basic two-letter properties such as Lu are
132      supported.
133    
134    . You can build PCRE to recognize either CR or LF or the sequence CRLF or any
135      of the Unicode newline sequences as indicating the end of a line. Whatever
136      you specify at build time is the default; the caller of PCRE can change the
137      selection at run time. The default newline indicator is a single LF character
138      (the Unix standard). You can specify the default newline indicator by adding
139      --newline-is-cr or --newline-is-lf or --newline-is-crlf or --newline-is-any
140      to the "configure" command, respectively.
141    
142      If you specify --newline-is-cr or --newline-is-crlf, some of the standard
143      tests will fail, because the lines in the test files end with LF. Even if
144      the files are edited to change the line endings, there are likely to be some
145      failures. With --newline-is-any, many tests should succeed, but there may be
146      some failures.
147    
148    . When called via the POSIX interface, PCRE uses malloc() to get additional
149      storage for processing capturing parentheses if there are more than 10 of
150      them. You can increase this threshold by setting, for example,
151    
152      --with-posix-malloc-threshold=20
153    
154      on the "configure" command.
155    
156    . PCRE has a counter that can be set to limit the amount of resources it uses.
157      If the limit is exceeded during a match, the match fails. The default is ten
158      million. You can change the default by setting, for example,
159    
160      --with-match-limit=500000
161    
162      on the "configure" command. This is just the default; individual calls to
163      pcre_exec() can supply their own value. There is discussion on the pcreapi
164      man page.
165    
166    . There is a separate counter that limits the depth of recursive function calls
167      during a matching process. This also has a default of ten million, which is
168      essentially "unlimited". You can change the default by setting, for example,
169    
170      --with-match-limit-recursion=500000
171    
172      Recursive function calls use up the runtime stack; running out of stack can
173      cause programs to crash in strange ways. There is a discussion about stack
174      sizes in the pcrestack man page.
175    
176    . The default maximum compiled pattern size is around 64K. You can increase
177      this by adding --with-link-size=3 to the "configure" command. You can
178      increase it even more by setting --with-link-size=4, but this is unlikely
179      ever to be necessary. If you build PCRE with an increased link size, test 2
180      (and 5 if you are using UTF-8) will fail. Part of the output of these tests
181      is a representation of the compiled pattern, and this changes with the link
182      size.
183    
184    . You can build PCRE so that its internal match() function that is called from
185      pcre_exec() does not call itself recursively. Instead, it uses blocks of data
186      from the heap via special functions pcre_stack_malloc() and pcre_stack_free()
187      to save data that would otherwise be saved on the stack. To build PCRE like
188      this, use
189    
190      --disable-stack-for-recursion
191    
192      on the "configure" command. PCRE runs more slowly in this mode, but it may be
193      necessary in environments with limited stack sizes. This applies only to the
194      pcre_exec() function; it does not apply to pcre_dfa_exec(), which does not
195      use deeply nested recursion.
196    
197    The "configure" script builds eight files for the basic C library:
198    
199    . Makefile is the makefile that builds the library
200    . config.h contains build-time configuration options for the library
201    . pcre-config is a script that shows the settings of "configure" options
202    . libpcre.pc is data for the pkg-config command
203    . libtool is a script that builds shared and/or static libraries
204    . RunTest is a script for running tests on the library
205    . RunGrepTest is a script for running tests on the pcregrep command
206    
207    In addition, if a C++ compiler is found, the following are also built:
208    
209  The "configure" script builds five files:  . pcrecpp.h is the header file for programs that call PCRE via the C++ wrapper
210    . pcre_stringpiece.h is the header for the C++ "stringpiece" functions
211    
212  . libtool is a script that builds shared and/or static libraries  The "configure" script also creates config.status, which is an executable
213  . Makefile is built by copying Makefile.in and making substitutions.  script that can be run to recreate the configuration, and config.log, which
214  . config.h is built by copying config.in and making substitutions.  contains compiler output from tests that "configure" runs.
 . pcre-config is built by copying pcre-config.in and making substitutions.  
 . RunTest is a script for running tests  
215    
216  Once "configure" has run, you can run "make". It builds two libraries called  Once "configure" has run, you can run "make". It builds two libraries, called
217  libpcre and libpcreposix, a test program called pcretest, and the pcregrep  libpcre and libpcreposix, a test program called pcretest, and the pcregrep
218  command. You can use "make install" to copy these, the public header files  command. If a C++ compiler was found on your system, it also builds the C++
219  pcre.h and pcreposix.h, and the man pages to appropriate live directories on  wrapper library, which is called libpcrecpp, and some test programs called
220  your system, in the normal way.  pcrecpp_unittest, pcre_scanner_unittest, and pcre_stringpiece_unittest.
221    
222    The command "make test" runs all the appropriate tests. Details of the PCRE
223    tests are given in a separate section of this document, below.
224    
225    You can use "make install" to copy the libraries, the public header files
226    pcre.h, pcreposix.h, pcrecpp.h, and pcre_stringpiece.h (the last two only if
227    the C++ wrapper was built), and the man pages to appropriate live directories
228    on your system, in the normal way.
229    
230    If you want to remove PCRE from your system, you can run "make uninstall".
231    This removes all the files that "make install" installed. However, it does not
232    remove any directories, because these are often shared with other programs.
233    
234    
235    Retrieving configuration information on Unix-like systems
236    ---------------------------------------------------------
237    
238  Running "make install" also installs the command pcre-config, which can be used  Running "make install" also installs the command pcre-config, which can be used
239  to recall information about the PCRE configuration and installation. For  to recall information about the PCRE configuration and installation. For
240  example,  example:
241    
242    pcre-config --version    pcre-config --version
243    
244  prints the version number, and  prints the version number, and
245    
246   pcre-config --libs    pcre-config --libs
247    
248  outputs information about where the library is installed. This command can be  outputs information about where the library is installed. This command can be
249  included in makefiles for programs that use PCRE, saving the programmer from  included in makefiles for programs that use PCRE, saving the programmer from
250  having to remember too many details.  having to remember too many details.
251    
252  There is one esoteric feature that is controlled by "configure". It concerns  The pkg-config command is another system for saving and retrieving information
253  the character value used for "newline", and is something that you probably do  about installed libraries. Instead of separate commands for each library, a
254  not want to change on a Unix system. The default is to use whatever value your  single command is used. For example:
255  compiler gives to '\n'. By using --enable-newline-is-cr or  
256  --enable-newline-is-lf you can force the value to be CR (13) or LF (10) if you    pkg-config --cflags pcre
 really want to.  
257    
258    The data is held in *.pc files that are installed in a directory called
259    pkgconfig.
260    
261  Shared libraries on Unix systems  
262  --------------------------------  Shared libraries on Unix-like systems
263    -------------------------------------
264  The default distribution builds PCRE as two shared libraries and two static  
265  libraries, as long as the operating system supports shared libraries. Shared  The default distribution builds PCRE as shared libraries and static libraries,
266  library support relies on the "libtool" script which is built as part of the  as long as the operating system supports shared libraries. Shared library
267    support relies on the "libtool" script which is built as part of the
268  "configure" process.  "configure" process.
269    
270  The libtool script is used to compile and link both shared and static  The libtool script is used to compile and link both shared and static
# Line 115  installed themselves. However, the versi Line 277  installed themselves. However, the versi
277  use the uninstalled libraries.  use the uninstalled libraries.
278    
279  To build PCRE using static libraries only you must use --disable-shared when  To build PCRE using static libraries only you must use --disable-shared when
280  configuring it. For example  configuring it. For example:
281    
282  ./configure --prefix=/usr/gnu --disable-shared  ./configure --prefix=/usr/gnu --disable-shared
283    
# Line 123  Then run "make" in the usual way. Simila Line 285  Then run "make" in the usual way. Simila
285  build only shared libraries.  build only shared libraries.
286    
287    
288  Building on non-Unix systems  Cross-compiling on a Unix-like system
289  ----------------------------  -------------------------------------
290    
291  For a non-Unix system, read the comments in the file NON-UNIX-USE. PCRE has  You can specify CC and CFLAGS in the normal way to the "configure" command, in
292  been compiled on Windows systems and on Macintoshes, but I don't know the  order to cross-compile PCRE for some other host. However, during the building
293  details because I don't use those systems. It should be straightforward to  process, the dftables.c source file is compiled *and run* on the local host, in
294  build PCRE on any system that has a Standard C compiler, because it uses only  order to generate the default character tables (the chartables.c file). It
295  Standard C functions.  therefore needs to be compiled with the local compiler, not the cross compiler.
296    You can do this by specifying CC_FOR_BUILD (and if necessary CFLAGS_FOR_BUILD;
297    there are also CXX_FOR_BUILD and CXXFLAGS_FOR_BUILD for the C++ wrapper)
298    when calling the "configure" command. If they are not specified, they default
299    to the values of CC and CFLAGS.
300    
301    
302    Using HP's ANSI C++ compiler (aCC)
303    ----------------------------------
304    
305    Unless C++ support is disabled by specifying the "--disable-cpp" option of the
306    "configure" script, you *must* include the "-AA" option in the CXXFLAGS
307    environment variable in order for the C++ components to compile correctly.
308    
309    Also, note that the aCC compiler on PA-RISC platforms may have a defect whereby
310    needed libraries fail to get included when specifying the "-AA" compiler
311    option. If you experience unresolved symbols when linking the C++ programs,
312    use the workaround of specifying the following environment variable prior to
313    running the "configure" script:
314    
315      CXXLDFLAGS="-lstd_v2 -lCsup_v2"
316    
317    
318  Testing PCRE  Testing PCRE
319  ------------  ------------
320    
321  To test PCRE on a Unix system, run the RunTest script that is created by the  To test PCRE on a Unix system, run the RunTest script that is created by the
322  configuring process. (This can also be run by "make runtest", "make check", or  configuring process. There is also a script called RunGrepTest that tests the
323  "make test".) For other systems, see the instruction in NON-UNIX-USE.  options of the pcregrep command. If the C++ wrapper library is build, three
324    test programs called pcrecpp_unittest, pcre_scanner_unittest, and
325  The script runs the pcretest test program (which is documented in the doc  pcre_stringpiece_unittest are provided.
326  directory) on each of the testinput files (in the testdata directory) in turn,  
327  and compares the output with the contents of the corresponding testoutput file.  Both the scripts and all the program tests are run if you obey "make runtest",
328  A file called testtry is used to hold the output from pcretest. To run pcretest  "make check", or "make test". For other systems, see the instructions in
329  on just one of the test files, give its number as an argument to RunTest, for  NON-UNIX-USE.
330  example:  
331    The RunTest script runs the pcretest test program (which is documented in its
332    RunTest 3  own man page) on each of the testinput files (in the testdata directory) in
333    turn, and compares the output with the contents of the corresponding testoutput
334  The first and third test files can also be fed directly into the perltest  files. A file called testtry is used to hold the main output from pcretest
335  script to check that Perl gives the same results. The third file requires the  (testsavedregex is also used as a working file). To run pcretest on just one of
336  additional features of release 5.005, which is why it is kept separate from the  the test files, give its number as an argument to RunTest, for example:
337  main test input, which needs only Perl 5.004. In the long run, when 5.005 (or  
338  higher) is widespread, these two test files may get amalgamated.    RunTest 2
339    
340    The first test file can also be fed directly into the perltest script to check
341    that Perl gives the same results. The only difference you should see is in the
342    first few lines, where the Perl version is given instead of the PCRE version.
343    
344  The second set of tests check pcre_fullinfo(), pcre_info(), pcre_study(),  The second set of tests check pcre_fullinfo(), pcre_info(), pcre_study(),
345  pcre_copy_substring(), pcre_get_substring(), pcre_get_substring_list(), error  pcre_copy_substring(), pcre_get_substring(), pcre_get_substring_list(), error
# Line 171  listed for checking. Where the compariso Line 357  listed for checking. Where the compariso
357  test will contain [\x00-\xff], and similarly in some other cases. This is not a  test will contain [\x00-\xff], and similarly in some other cases. This is not a
358  bug in PCRE.  bug in PCRE.
359    
360  The fourth set of tests checks pcre_maketables(), the facility for building a  The third set of tests checks pcre_maketables(), the facility for building a
361  set of character tables for a specific locale and using them instead of the  set of character tables for a specific locale and using them instead of the
362  default tables. The tests make use of the "fr" (French) locale. Before running  default tables. The tests make use of the "fr_FR" (French) locale. Before
363  the test, the script checks for the presence of this locale by running the  running the test, the script checks for the presence of this locale by running
364  "locale" command. If that command fails, or if it doesn't include "fr" in the  the "locale" command. If that command fails, or if it doesn't include "fr_FR"
365  list of available locales, the fourth test cannot be run, and a comment is  in the list of available locales, the third test cannot be run, and a comment
366  output to say why. If running this test produces instances of the error  is output to say why. If running this test produces instances of the error
367    
368    ** Failed to set locale "fr"    ** Failed to set locale "fr_FR"
369    
370  in the comparison output, it means that locale is not available on your system,  in the comparison output, it means that locale is not available on your system,
371  despite being listed by "locale". This does not mean that PCRE is broken.  despite being listed by "locale". This does not mean that PCRE is broken.
372    
373  The fifth test checks the experimental, incomplete UTF-8 support. It is not run  The fourth test checks the UTF-8 support. It is not run automatically unless
374  automatically unless PCRE is built with UTF-8 support. This file can be fed  PCRE is built with UTF-8 support. To do this you must set --enable-utf8 when
375  directly to the perltest8 script, which requires Perl 5.6 or higher. The sixth  running "configure". This file can be also fed directly to the perltest script,
376  file tests internal UTF-8 features of PCRE that are not relevant to Perl.  provided you are running Perl 5.8 or higher. (For Perl 5.6, a small patch,
377    commented in the script, can be be used.)
378    
379    The fifth test checks error handling with UTF-8 encoding, and internal UTF-8
380    features of PCRE that are not relevant to Perl.
381    
382    The sixth and test checks the support for Unicode character properties. It it
383    not run automatically unless PCRE is built with Unicode property support. To to
384    this you must set --enable-unicode-properties when running "configure".
385    
386    The seventh, eighth, and ninth tests check the pcre_dfa_exec() alternative
387    matching function, in non-UTF-8 mode, UTF-8 mode, and UTF-8 mode with Unicode
388    property support, respectively. The eighth and ninth tests are not run
389    automatically unless PCRE is build with the relevant support.
390    
391    
392  Character tables  Character tables
393  ----------------  ----------------
394    
395  PCRE uses four tables for manipulating and identifying characters. The final  PCRE uses four tables for manipulating and identifying characters whose values
396  argument of the pcre_compile() function is a pointer to a block of memory  are less than 256. The final argument of the pcre_compile() function is a
397  containing the concatenated tables. A call to pcre_maketables() can be used to  pointer to a block of memory containing the concatenated tables. A call to
398  generate a set of tables in the current locale. If the final argument for  pcre_maketables() can be used to generate a set of tables in the current
399  pcre_compile() is passed as NULL, a set of default tables that is built into  locale. If the final argument for pcre_compile() is passed as NULL, a set of
400  the binary is used.  default tables that is built into the binary is used.
401    
402  The source file called chartables.c contains the default set of tables. This is  The source file called chartables.c contains the default set of tables. This is
403  not supplied in the distribution, but is built by the program dftables  not supplied in the distribution, but is built by the program dftables
# Line 238  The distribution should contain the foll Line 437  The distribution should contain the foll
437      headers:      headers:
438    
439    dftables.c            auxiliary program for building chartables.c    dftables.c            auxiliary program for building chartables.c
440    get.c                 )  
   maketables.c          )  
   study.c               ) source of  
   pcre.c                )   the functions  
441    pcreposix.c           )    pcreposix.c           )
442    pcre.in               "source" for the header for the external API; pcre.h    pcre_compile.c        )
443                            is built from this by "configure"    pcre_config.c         )
444      pcre_dfa_exec.c       )
445      pcre_exec.c           )
446      pcre_fullinfo.c       )
447      pcre_get.c            ) sources for the functions in the library,
448      pcre_globals.c        )   and some internal functions that they use
449      pcre_info.c           )
450      pcre_maketables.c     )
451      pcre_newline.c        )
452      pcre_ord2utf8.c       )
453      pcre_refcount.c       )
454      pcre_study.c          )
455      pcre_tables.c         )
456      pcre_try_flipped.c    )
457      pcre_ucp_searchfuncs.c)
458      pcre_valid_utf8.c     )
459      pcre_version.c        )
460      pcre_xclass.c         )
461    
462      pcre_printint.src     ) debugging function that is #included in pcretest, and
463                            )   can also be #included in pcre_compile()
464    
465      pcre.h                the public PCRE header file
466    pcreposix.h           header for the external POSIX wrapper API    pcreposix.h           header for the external POSIX wrapper API
467    internal.h            header for internal use    pcre_internal.h       header for internal use
468      ucp.h                 ) headers concerned with
469      ucpinternal.h         )   Unicode property handling
470      ucptable.h            ) (this one is the data table)
471    config.in             template for config.h, which is built by configure    config.in             template for config.h, which is built by configure
472    
473      pcrecpp.h             the header file for the C++ wrapper
474      pcrecpparg.h.in       "source" for another C++ header file
475      pcrecpp.cc            )
476      pcre_scanner.cc       ) source for the C++ wrapper library
477    
478      pcre_stringpiece.h.in "source" for pcre_stringpiece.h, the header for the
479                              C++ stringpiece functions
480      pcre_stringpiece.cc   source for the C++ stringpiece functions
481    
482  (B) Auxiliary files:  (B) Auxiliary files:
483    
484    AUTHORS               information about the author of PCRE    AUTHORS               information about the author of PCRE
# Line 261  The distribution should contain the foll Line 491  The distribution should contain the foll
491    NON-UNIX-USE          notes on building PCRE on non-Unix systems    NON-UNIX-USE          notes on building PCRE on non-Unix systems
492    README                this file    README                this file
493    RunTest.in            template for a Unix shell script for running tests    RunTest.in            template for a Unix shell script for running tests
494      RunGrepTest.in        template for a Unix shell script for pcregrep tests
495    config.guess          ) files used by libtool,    config.guess          ) files used by libtool,
496    config.sub            )   used only when building a shared library    config.sub            )   used only when building a shared library
497      config.h.in           "source" for the config.h header file
498    configure             a configuring shell script (built by autoconf)    configure             a configuring shell script (built by autoconf)
499    configure.in          the autoconf input used to build configure    configure.ac          the autoconf input used to build configure
500    doc/Tech.Notes        notes on the encoding    doc/Tech.Notes        notes on the encoding
501    doc/pcre.3            man page source for the PCRE functions    doc/*.3               man page sources for the PCRE functions
502    doc/pcre.html         HTML version    doc/*.1               man page sources for pcregrep and pcretest
503    doc/pcre.txt          plain text version    doc/html/*            HTML documentation
504    doc/pcreposix.3       man page source for the POSIX wrapper API    doc/pcre.txt          plain text version of the man pages
505    doc/pcreposix.html    HTML version    doc/pcretest.txt      plain text documentation of test program
506    doc/pcreposix.txt     plain text version    doc/perltest.txt      plain text documentation of Perl test program
   doc/pcretest.txt      documentation of test program  
   doc/perltest.txt      documentation of Perl test program  
   doc/pcregrep.1        man page source for the pcregrep utility  
   doc/pcregrep.html     HTML version  
   doc/pcregrep.txt      plain text version  
507    install-sh            a shell script for installing files    install-sh            a shell script for installing files
508      libpcre.pc.in         "source" for libpcre.pc for pkg-config
509    ltmain.sh             file used to build a libtool script    ltmain.sh             file used to build a libtool script
510      mkinstalldirs         script for making install directories
511    pcretest.c            comprehensive test program    pcretest.c            comprehensive test program
512    pcredemo.c            simple demonstration of coding calls to PCRE    pcredemo.c            simple demonstration of coding calls to PCRE
513    perltest              Perl test program    perltest.pl           Perl test program
   perltest8             Perl test program for UTF-8 tests  
514    pcregrep.c            source of a grep utility that uses PCRE    pcregrep.c            source of a grep utility that uses PCRE
515    pcre-config.in        source of script which retains PCRE information    pcre-config.in        source of script which retains PCRE information
516    testdata/testinput1   test data, compatible with Perl 5.004 and 5.005    pcrecpp_unittest.c           )
517    testdata/testinput2   test data for error messages and non-Perl things    pcre_scanner_unittest.c      ) test programs for the C++ wrapper
518    testdata/testinput3   test data, compatible with Perl 5.005    pcre_stringpiece_unittest.c  )
519    testdata/testinput4   test data for locale-specific tests    testdata/testinput*   test data for main library tests
520    testdata/testinput5   test data for UTF-8 tests compatible with Perl 5.6    testdata/testoutput*  expected test results
521    testdata/testinput6   test data for other UTF-8 tests    testdata/grep*        input and output for pcregrep tests
   testdata/testoutput1  test results corresponding to testinput1  
   testdata/testoutput2  test results corresponding to testinput2  
   testdata/testoutput3  test results corresponding to testinput3  
   testdata/testoutput4  test results corresponding to testinput4  
   testdata/testoutput5  test results corresponding to testinput5  
   testdata/testoutput6  test results corresponding to testinput6  
522    
523  (C) Auxiliary files for Win32 DLL  (C) Auxiliary files for Win32 DLL
524    
525    dll.mk    libpcre.def
526    pcre.def    libpcreposix.def
527    
528    (D) Auxiliary file for VPASCAL
529    
530      makevp.bat
531    
532  Philip Hazel <ph10@cam.ac.uk>  Philip Hazel
533  August 2001  Email local part: ph10
534    Email domain: cam.ac.uk
535    March 2007

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