Sounds like the @INC array is different in the two different scenarios. There are a number of ways that this can happen.

• A script can use use lib to change @INC explicitly.
• The value of PERL5LIB could be set either in a .profile (remember that the web server probably runs as a different user) or perhaps the web server is configured to change it.
• The current directory is always in @INC. That could be different.

Also, as the web server runs as a different user, you might not have the correct permissions to read the module file (are you seeing an error message?)

Perhaps printing out the value of @INC at the start of the program would point out differences. It's also worth looking at the contents of %INC which contains the list of loaded modules together with the path that they are loaded from.

Update: The esteemed chromatic reminds me that if you're running you CGI script in taint mode (as we all should do all the time) then the current directory won't be in @INC. This may effect your investigation.

--
<http://www.dave.org.uk>

"The first rule of Perl club is you don't talk about Perl club."

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