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  1. or download this
    pryrt@debianvm:~$ perl -Mlist::utils -le 'print "OK"'
Can't locate list/utils.pm in @INC (you may need to install the list::
+utils module) (@INC contains: ./blib/lib /home/pryrt/perl5/perlbrew/p
+erls/perl-5.20.3/lib/site_perl/5.20.3/i686-linux /home/pryrt/perl5/pe
+rlbrew/perls/perl-5.20.3/lib/site_perl/5.20.3 /home/pryrt/perl5/perlb
+rew/perls/perl-5.20.3/lib/5.20.3/i686-linux /home/pryrt/perl5/perlbre
+w/perls/perl-5.20.3/lib/5.20.3 .).
...

Data for 2015-09-12
List::Util was first released with perl v5.7.3
  2. or download this
    #!/usr/bin/env perl
use warnings;
...
my @shuffled = shuffle(@trips);
print "shuffled: (@shuffled)\n"; 
__END__
  3. or download this
    __RESULTS__
enter sequence and signal end with enter followed by ctrl d
...
sequence inserted : GATTACCAT
unshuffled: (GAT, TAC, CAT, , , , )
shuffled: (, , GAT, TAC, CAT, , )