Hi all, I have 5.10.0 installed in my system(SUSE Linux).
I have a product installed in /opt which has its bundled perl of version 5.8.8.

Consider a script 8.pl of this product which runs using 5.8.8 perl(using shebang line).Also consider a script 10.pl which uses(using shebang line). 10.pl needs a module M which is available in 5.10's module location as well as in 5.8.8's module location under /opt.

Now 8.pl needs to invoke 10.pl as a system command. Now, the problem is- M being loaded is from 5.8.8 module stack and not the system stack of 5.10. The two versions of M are incompatible.

The problem is that @INC array is set as per 5.8.8's module locations when 8.pl is run. Here is the @INC array when 8.pl starts:

/opt/zmanda/amanda/perl/lib/5.8.8/i686-linux-thread-multi
/opt/zmanda/amanda/perl/lib/5.8.8
/opt/zmanda/amanda/perl/lib/site_perl/5.8.8/i686-linux-thread-multi
/opt/zmanda/amanda/perl/lib/site_perl/5.8.8
/opt/zmanda/amanda/perl/lib/5.8.8/i686-linux-thread-multi
/opt/zmanda/amanda/perl/lib/5.8.8
/opt/zmanda/amanda/perl/lib/site_perl/5.8.8/i686-linux-thread-multi
/opt/zmanda/amanda/perl/lib/site_perl/5.8.8
/bitrock/zmanda/output/perl/lib/5.8.8/i686-linux-thread-multi
/bitrock/zmanda/output/perl/lib/5.8.8
/bitrock/zmanda/output/perl/lib/site_perl/5.8.8/i686-linux-thread-mult
+i
/bitrock/zmanda/output/perl/lib/site_perl/5.8.8
/bitrock/zmanda/output/perl/lib/site_perl

[download]
Now when 10.pl runs from 8.pl, the @INC array has this:
/opt/zmanda/amanda/perl/lib/5.8.8
/opt/zmanda/amanda/perl/lib/site_perl/5.8.8
/usr/lib/perl5/5.10.0/x86_64-linux-thread-multi
/usr/lib/perl5/5.10.0
/usr/lib/perl5/site_perl/5.10.0/x86_64-linux-thread-multi
/usr/lib/perl5/site_perl/5.10.0
/usr/lib/perl5/vendor_perl/5.10.0/x86_64-linux-thread-multi
/usr/lib/perl5/vendor_perl/5.10.0
/usr/lib/perl5/vendor_perl

[download]
Note the first 2 paths here. There belong to 5.8.8 perl.Rest paths are correctly perl 5.10's.How to do this?
I tried wiping out @INC array before calling 10.pl by
@INC = ();

[download]
before running 10.pl. But it doesn't help.

Any help much appreciated..
Thanks,

In reply to @INC array and two perl versions by nikunjv

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