Just to elaborate on the above suggestion, using CPAN.pm would make this trivial. Here's an example: 
use CPAN;
use CPAN::Shell;

for(qw/Tie::File Foo Bar/)
{
  CPAN::Shell->install( $_ );
}

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In reply to Re^2: execution of a perl script by BUU
in thread execution of a perl script by s_gaurav1091

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