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#!/usr/bin/perl -w use strict; ... delimiter ' ' <Bart><Lisa><Maggie><Marge><Homer>
As a special case, specifying a PATTERN of space ("' '") will split on white space just as "split" ... leading whitespace produces a null first field. A "split" with no arguments really does a "split(' ', $_)" internally.
perl -MO=Deparse -e '$_=" a b c ";print map {"<$_>"} split' $_ = ' a b c '; print map({"<$_>";} split(" ", $_, 0));
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