The new code should look like: 
use strict;

my @views = ( 'view0', 'view1', 'view3');
my $num_of_views = scalar(@views);
my %hash;
my @global_include = ("buffersize, size, value, speed", "buffersize, s
+ize, value, speed","buffersize, size, value, speed");
my $lastview;
my $output;

for (my $j = 0; $j < $num_of_views; $j++){
   my @array = split (", ",$global_include[$j]);
   pop @array;
   $hash{$views[$j]} = \@array;
}

foreach my $key (sort(keys %hash)){
    # Do this only the first time.
    if(not defined($lastview)){
    $lastview = $key;
    $output = "$key";
    next;
    }

    $output .= " full outer join $key on ";
    my $i;
    my $array_elements_used = @{$hash{$key}}-1;
    #loop through all of the elements, including the last since you ha
+ve removed it in the pop before!!
    for($i=0;$i<=$array_elements_used;$i++){
      $output .= "$lastview.$hash{$lastview}[$i] = $key.$hash{$key}[$i
+]";
      # only add an "and" if this is not the last element used.
      $output .= " and " if ($i != $array_elements_used);
    }
    $lastview = $key;
}
print $output, "\n";

[download]
Only notice that the array is different because before you did not want the last element, but know, you remove the last element of the array in the  pop @array, so you do not have to skip the last element. Daniel.

In reply to Re: Using hash elements to create an SQL Statemant by BigD
in thread Using hash elements to create an SQL Statemant by johnirl

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