TASdvlper,
In addition to what bart said, if your data really does look like this - there is probably a much better way to build your array (the lazy way).

my @array1 = map { 'foo' . $_ } 1 .. 99;
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"Ok great, but I want the first element to just be 'foo' with no number"

my @array1 = map { $_ ? 'foo' . $_ : 'foo' } 0 .. 99;
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Cheers - L~R