I recently got assigned some projects that use PERL, and I have no experience with it so I'm flying solo here. So I apologize in advance for using the wrong terminology or not clarifying my question.

I have a section of code that groups records by diagnosis codes. Right now it groups anything that has a specific code number, but now I need to create a group of "everything else". Here's the current code. I need to change the Unspecified group to include everything not included in group A or group B, instead of having to list each one as I can have up to 100+ different diagnosis codes each time. The diagnosis codes are a text field, if that makes a difference, and some have numbers and letters.

@DiagGroupA = qw(2770 27700 27701 27702 27703 27707 27709);

@DiagGroupB = qw(277);

@UNSPECIFIED = qw(0704 07049);

foreach $diagnosis (@DiagGroupA) {
    $DiagGroupA_list{$diagnosis} = 1;
}
foreach $diagnosis (@DiagGroupB) {
    $DiagGroupB_list{$diagnosis} = 1;
}

foreach $diagnosis (@UNSPECIFIED) {
    #$DiagUNSPECIFIED_list{$diagnosis} = 1;

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In reply to Grouping Data by okieheart

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