Or grep away null elements. I admit that I do this sometimes simply to save cognitive load as opposed to CPU load. 
my @array = ('',1,2,'',3,'',4);
@array = grep { $_ } @array;
print join "}{",@array;
print "\n";

[download]
gives 
1}{2}{3}{4

[download]

In reply to Re^2: Remove empty element. by pemungkah
in thread Remove empty element. by vinoth.ree

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