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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
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.
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