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Apache::StatINCUser Contributed Perl DocumentatApache::StatINC(3)

NAME
       Apache::StatINC - Reload %INC files when updated on disk

SYNOPSIS
	 #httpd.conf or some such
	 #can be any Perl*Handler
	 PerlInitHandler Apache::StatINC

DESCRIPTION
       When Perl pulls a file via "require", it stores the file
       name in the global hash "%INC".	The next time Perl tries
       to "require" the same file, it sees the file in "%INC" and
       does not reload from disk.  This module's handler iterates
       over "%INC" and reloads the file if it has changed on
       disk.

       Note that StatINC operates on the current context of
       "@INC".	Which means, when called as a Perl*Handler it
       will not see "@INC" paths added or removed by Apache::Reg
       istry scripts, as the value of "@INC" is saved on server
       startup and restored to that value after each request.  In
       other words, if you want StatINC to work with modules that
       live in custom "@INC" paths, you should modify "@INC" when
       the server is started.  Besides, 'use lib' in startup
       scripts, you can also set the PERL5LIB variable in the
       httpd's environment to include any non-standard 'lib'
       directories that you choose.  For example, you might use a
       script called 'start_httpd' to start apache, and include a
       line like this:

	       PERL5LIB=/usr/local/foo/myperllibs; export PERL5LIB

       When you have problems with modules not being reloaded,
       please refer to the following lines in 'perlmodlib':

       "Always use -w. Try to "use strict;" (or "use strict
       qw(...);").  Remember that you can add "no strict
       qw(...);" to individual blocks of code that need less
       strictness. Always use -w. Always use -w!  Follow the
       guidelines in the perlstyle(1) manual."

       Warnings when running under mod_perl is enabled with
       'PerlWarn On' in your httpd.conf.

       It will most likely help you to find the problem. Really.

OPTIONS
       StatINC_UndefOnReload
	   Normally, StatINC will turn of warnings to avoid "Sub
	   routine redefined" warnings when it reloads a file.
	   However, this does not disable the Perl mandatory
	   warning when re-defining "constant" subroutines (see
	   perldoc perlsub).  With this option On, StatINC will
	   invoke the Apache::Symbol undef_functions method to
	   avoid these mandatory warnings:

	    PerlSetVar StatINC_UndefOnReload On

       StatINC_Debug
	   You can make StatINC tell when it reloads a module by
	   setting this option to on.

	    PerlSetVar StatINC_Debug 1

	   The only used debug level is currently 1.

SEE ALSO
       mod_perl(3)

AUTHOR
       Currently maintained by Ask Bjoern Hansen
       <ask@netcetera.dk>.  Written by Doug MacEachern.

2001-06-14		  mod_perl-1.27	       Apache::StatINC(3)
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