I would narrow the selection down first with grep, then transform: 
$ perl -l
use strict;
use warnings;
my @strings = qw(boy bird FALSE);
@strings = map { qq{"$_"} } grep( !/FALSE/, @strings);
print join (q{,}, @strings);
__END__
"boy","bird"
$

[download]
Update:As kyle points out, this solution is both wrong and inefficient.
--
print map{chr}unpack(q{A3}x24,q{074117115116032097110111116104101114032080101114108032104097099107101114})

In reply to Re: using map with compound code blocks to alter strings: a strange result by andreas1234567
in thread using map with compound code blocks to alter strings: a strange result by jbullock35

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