Just to be different: This will give you the installed perl version and the path of the installed perl.

#!/usr/bin/perl

use strict;
use warnings;
use File::Spec;
use SVN::Notify;

my $exe_name = 'perl';
my $exe = SVN::Notify->find_exe($exe_name);
print "Perl $]\n";
print "$exe\n";
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