You are setting Perl-variables, not environment variables. So as a quick remedy, you could set 

$ENV{ORACLE_HOME}="/u01/app/oracle/product/10.2.0.4"; ...

[download]
and so on. See perlvar (%ENV).

Long term approach would be to start using DBI and DBD::Oracle. There are also some PM tutorials: Database Programming available.

In reply to Re: use oracle home in script by Perlbotics
in thread use oracle home in script by bluethundr

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