in reply to Upgrade perl
I've tried this for SuSE 7.3 without success. Replacing distribution version of perl (5.6.1) with 5.8.0 broke some system services depending on it (eg. cups). So I switched back to 5.6.1 for system and install 5.8.0 to /opt/perl-5.8.0.
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Seekers of Perl Wisdom