shell$ perl -e 'my $input = <>; chomp($input);if (length($input)) { print q(length) }; if (defined($input)) { print q(defined) };
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if($decision eq "to be"){print "Romeo is"}
else{print "Romeo is not"}
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$dec eq "to be" ? print "Romeo is" : print "Romeo is not";
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shell$ perl -e 'my $input=<>;
chomp $input;
print q(Romeo );
$input ? print q(is ) : print q(is not );
print qq(\ntaking ),length($input),qq( hours to decide!\n);
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shell$ perl -e 'my $input; # not yet defined
print q(Romeo );
#test for the scalar to be not defined to be true
!defined $input ? print q(undefined ) :
$input ? print q(is ) : print q(is not );
print qq(\n taking ),length($input),qq( hours to decide!\n);