If you judge whether a value is "present" by string equality (and it would seem you do), you could just use a hash: 

my %map;
@map{@l2} = ();
my @list = map { exists $map{$_} ? $_ : 'null' } @l1;

[download]

( Also: "perldar"++ )

print "Just another Perl ${\(trickster and hacker)},"
The Sidhekin proves Sidhe did it!

In reply to Re: My 'perldar' tells me there is a 'better' solution for this list operation by Sidhekin
in thread My 'perldar' tells me there is a 'better' solution for this list operation by OfficeLinebacker

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