Michael Mansour wrote:
> Hi,
> 
> I have a couple of perl modules of the same name installed in my OS. This is
> expected as I've hand compiled various apps.
> 
> What I'd like to know is, how I'd determine which perl module is actually used?
> 
> As an example, I have the Base64.pm in three locations - please don't ask why
> :), and when I run:
> 
> # perl -MMIME::Base64 -e '{print "$MIME::Base64::VERSION\n"}'
> 3.07
> 
> Yet I do not know which one it's picking up, as I have one from Sep 20  2004,
> another from Nov 30  2005 and another from this year Jun 15 01:35.
> 
> I know perl searches through paths in its environment (not sure where it gets
> that from), but any ideas how I can find out which Base64.pm is being used?
Plan the first:
To each of then,
chmod 000

then (as not-root) confirm the above doesn't work.
Restore one to previous permissions, repeat test until it works.

Plan the second
strace -f -o /tmp/trace \
   perl -MMIME::Base64 -e '{print "$MIME::Base64::VERSION\n"}'
fgrep Base64.pm /tmp/trace

Finally, discuss with your suppliers asking why the package their 
software this way, instead of saying "it requires example.pm, available 
from CPAN, and included in all the best distros."



-- 

Cheers
John

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