Make sure that the new perl comes before the old one in the path. Also, your shell may have cached the location of perl and so not "see" the old one even though the $PATH has changed.

You can clear that cache with the hash command in bash, and you can see which perl executable comes first in the path with which perl.

In reply to Re^3: installing perl 5.12.3 by DrHyde
in thread installing perl 5.12.3 by rob171171

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