## Create a scalar perl> $bigScalar = 'the quick brown fox jumps over the laxy dog';; ## Create an array of lvalue refs to the indivdual words using \substr... perl> @lvrefs = map{ \substr $bigScalar, $_->[0], $_->[1] } [0,3], [4,5], [10,5], [16,3], [20,5], [26,4], [31,3], [35,4], [40,3];; ## Indirecting through the elements of the array gives you the words perl> print $$_ for @lvrefs;; the quick brown fox jumps over the laxy dog ## And assign through the elements allows you to replace them, in-place, individually perl> ${ $lvrefs[7] } = 'lazy';; ## The ${ ... } is necessary. ## The typo is now corrected. perl> print $bigScalar;; the quick brown fox jumps over the lazy dog