I like List::MoreUtils natatime for this sort of task:

use List::MoreUtils qw( natatime );

my $next_two = natatime 2, @x;
while ( my ( $x, $y ) = $next_two->() ) {
    # do something with $x & y
};

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In reply to Re^2: best way to implement multiple foreach iterator variables? by adrianh
in thread best way to implement multiple foreach iterator variables? by Anonymous Monk

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