eval {
    require 5.6.1;
};

warn "You do not have the current version of perl." if ($@);

[download]
Although if you plan on exiting, you might as well just do: 
use 5.6.1;

[download]
or: 
require 5.6.1;

[download]
And let Perl do the rest of the work (it die()'s if the verion of Perl on that machine is less than the one you specify).

(BTW, I believe 5.8.x is the "current" version of Perl, not 5.6.1).

In reply to Re: Checking Perl version by William G. Davis
in thread Checking Perl version by Anonymous Monk

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