Hi everyone,

Yet another question from me.. I am trying to combine non-duplicate elements of 2 arrays into 1. I have read the "difference/intersection/union of 2 arrays" FAQ, and I've read the bit by vroom here, but I felt the need to be difficult. *grins*

Here's the bit I've got going so far: 

 my @group1 = ('A','B','C','D','E');
 my @group2 = ('F','G','H','I','J');

 foreach my $hit (@group2) {  
   push (@group1, $hit) unless grep { $hit } @group1;
   }

[download]

Ideally, I want @group1 to contain all the elements from groups 1 and 2. Or, if for instance group2 also had a D and an E, it would contain everything but the duplicates. But, after running the above code, @group1 remains unchanged. Any glaring errors that pop out at you?

Something tells me I got this bit of code a few weeks ago here, but looking back through all of my recent questions, I must be missing it somewhere. So, sorry if this is redundant.

Thanks
Matt

In reply to Combining arrays with grep/unless? by mdunnbass

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