[- $i = 0 -] [$ while $i <= $#ffld $] [+ $ffld[$i] +] = [+ $fdat{$ffld[$i]} +] [- $j = 0 -] [$ while $j <= $i $] [+ $j++ +] [$ endwhile $]
[- $i++ -] [$ endwhile $] [- $i = 0 -] [$ while($i <= 2)$] [+ $i++ +] [$ endwhile $]