PATH problem

Matthew Seaman m.seaman at
Mon Nov 10 13:53:47 PST 2008

Albert Shih wrote:

> Maybe my question is not very clear....
> The p5 package work in shell, because the PATH is in the shell. 
> But when I use the application throught the web it's not working. But I
> don't known how to tell apache ? mod_perl ? the PATH. 

If you're using mod_perl2, then Apache will default to setting up the
environment perl sees as if perl was running as a separate CGI script.

(defaults to 'On')

You can modify the perl environment from httpd.conf using PerlSetEnv
or PerlPassEnv. See:

Assuming you do mean $PATH -- the executable search path -- that should 
be sufficient to fix your problem.  If you're really after $PERL5INC -- 
the path to search for perl modules -- while you can use PerlSetEnv to 
set that, it's special-cased not to be passed through when running in 
taint-checking mode.  It's generally cleaner to have a 
script you require from the Apache conf, and that can have a BEGIN { } 
block where you modify @INC before loading modules.  See

or (preferably):

which does much the same thing as a perl 'require' statement -- the 
difference between the two being that PerlPostConfigRequire happens 
somewhat later in the configuration process.



Dr Matthew J Seaman MA, D.Phil.                   7 Priory Courtyard
                                                  Flat 3
PGP:     Ramsgate
                                                  Kent, CT11 9PW

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