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.\" ========================================================================
.\"
.IX Title "Apache::StatINC 3"
.TH Apache::StatINC 3 "2007-03-30" "perl v5.8.8" "User Contributed Perl Documentation"
.SH "NAME"
Apache::StatINC \- Reload %INC files when updated on disk
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 3
\&  #httpd.conf or some such
\&  #can be any Perl*Handler
\&  PerlInitHandler Apache::StatINC
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
When Perl pulls a file via \f(CW\*(C`require\*(C'\fR, it stores the filename in the
global hash \f(CW%INC\fR.  The next time Perl tries to \f(CW\*(C`require\*(C'\fR the same
file, it sees the file in \f(CW%INC\fR and does not reload from disk.  This
module's handler iterates over \f(CW%INC\fR and reloads the file if it has
changed on disk. 
.PP
Note that StatINC operates on the current context of \f(CW@INC\fR.  
Which means, when called as a Perl*Handler it will not see \f(CW@INC\fR paths
added or removed by Apache::Registry scripts, as the value of \f(CW@INC\fR 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
\&\f(CW@INC\fR paths, you should modify \f(CW@INC\fR when the server is started.
Besides, 'use lib' in startup scripts, you can also set the \fB\s-1PERL5LIB\s0\fR
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:
.PP
.Vb 1
\&        PERL5LIB=/usr/local/foo/myperllibs; export PERL5LIB
.Ve
.PP
When you have problems with modules not being reloaded, please refer
to the following lines in 'perlmodlib':
.PP
"Always use \fB\-w\fR. Try to \f(CW\*(C`use strict;\*(C'\fR (or \f(CW\*(C`use strict qw(...);\*(C'\fR). 
Remember that you can add \f(CW\*(C`no strict qw(...);\*(C'\fR to individual blocks 
of code that need less strictness. Always use \fB\-w\fR. Always use \fB\-w\fR! 
Follow the guidelines in the \fIperlstyle\fR\|(1) manual." 
.PP
Warnings when running under mod_perl is enabled with 'PerlWarn On' in
your httpd.conf.
.PP
It will most likely help you to find the problem. Really.
.SH "OPTIONS"
.IX Header "OPTIONS"
.IP "StatINC_UndefOnReload" 4
.IX Item "StatINC_UndefOnReload"
Normally, StatINC will turn of warnings to avoid \*(L"Subroutine redefined\*(R" 
warnings when it reloads a file.  However, this does not disable the 
Perl mandatory warning when re-defining \f(CW\*(C`constant\*(C'\fR subroutines 
(see perldoc perlsub).  With this option On, StatINC will invoke the 
\&\fBApache::Symbol\fR \fIundef_functions\fR method to avoid these mandatory
warnings:
.Sp
.Vb 1
\& PerlSetVar StatINC_UndefOnReload On
.Ve
.IP "StatINC_Debug" 4
.IX Item "StatINC_Debug"
You can make StatINC tell when it reloads a module by setting this
option to on.
.Sp
.Vb 1
\& PerlSetVar StatINC_Debug 1
.Ve
.Sp
The only used debug level is currently 1. 
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fImod_perl\fR\|(3)
.SH "AUTHOR"
.IX Header "AUTHOR"
Currently maintained by Ask Bjoern Hansen <ask@netcetera.dk>.
Written by Doug MacEachern.