I did that and still when running the scripts, references to the site_perl libraries.
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Difference between site_perl libs and vendor_perl libs
Hi,
I have a set of libraries duplicated in the site_perl and vendor_perl directory. The ones I want to use are in vendor_perl (installed with an rpm) but perl seems to be using the site_perl ones... What is the difference between the 2? what is the impact of moving the vendor_perl ones to site_perl?
Thanks,
PJ
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Answers
I removed the perl_site library and made sure that the path to perl_site was in @INC, but I get and error stating that there isn't a loadable object for modeule NetSNMP::default_store
Can't locate loadable object for module NetSNMP::default_store in @INC (@INC contains: /usr/lib/perl5/site_perl/5
Compilation failed in require at /usr/lib/perl5/site_perl/5
BEGIN failed--compilation aborted at /usr/lib/perl5/site_perl/5
Compilation failed in require at /shaw/neteye/perl_scripts/
BEGIN failed--compilation aborted at /shaw/neteye/perl_scripts/
The module exists tho:
$ ls -l /usr/lib/perl5/vendor_perl
total 52
drwxr-xr-x 2 root root 4096 Jun 22 17:50 agent
-r--r--r-- 1 root root 13194 Jun 30 2006 agent.pm
-r--r--r-- 1 root root 2877 Jun 30 2006 ASN.pm
-r--r--r-- 1 root root 9295 Jun 30 2006 default_store.pm
-r--r--r-- 1 root root 5344 Jun 30 2006 OID.pm
-r--r--r-- 1 root root 7335 Jun 30 2006 TrapReceiver.pm
And:
/usr/lib/perl5/vendor_perl
>>I removed the perl_site library and made sure that the path to perl_site was in @INC
What did you remove? The entire directory? Did you remove it from @INC, or from the file system?
Perl will search @INC in the order specified to look for any modules. If you want a particular directory to be search first, it needs to be higher in the @INC. You don't need to remove files from the filesystem.
To change @INC:
1) Use the PERL5LIB environment variable
2) Use the -I command line option
3) Use the "use lib" statement in your code
Hi Adam314,
#3, Do you mean I should use 'use lib /path/to/lib' when doing the include?
I've been trying to avoid that if it's the case. I don't want to make the script dependent on this environment setup.
yes, I removed the files from teh system, but it seems like perl is refusing to use the other library:
"Can't locate loadable object for module NetSNMP::default_store in @INC "
Even though the path to this module is in @INC.
Why? :(
PJ
For #3: Yes, you would add a "use lib /path/to/lib;" statement to your script. The script would be dependent on this setup though.
Perl will use the module in the first directory of @INC that it finds the module. If you've removed it from one directory and it's not working, then I'm guessing either:
1) some part of the module is still in the first directory, but not all of it - which is causing the problem
2) No part of the module is in the first directory, but all parts are not in the second directory.
For problem 1 - you would need to remove all pieces of the module, including the autoload files.
For problem 2 - Install the module by following the module's installation guide (typically make;make test;make install)
Hi Adam314,
Thanks for your reply, these and the others to my previous questions have been very helpful.
I used an rpm to install the module, that's what got installed in perl_vendor but the other one is not owned by any package, so I just removed the folder that contained the module but I'm not sure if there is more that I need to clean up.
Could you please let me know what other directories/files I should be removing?
Thanks,
PJ
For a module, there is going to be a main .pm file, then possibly a directory with other files, and possibly a directory in auto with more files.
So, for Some::Module, you need to remove:
$lib/Some/Module.pm
$lib/Some/Module/
$lib/auto/Some/Module/
Where $lib is your library directory. Those ending with a slash / indicate a directory.
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by: SmartIntelPosted on 2009-06-22 at 18:27:45ID: 24688177
you can indicate which directory to use by
use lib '/path/to/vender_dir';