want to replace the (only) the condition when an exception is raised .

gistfile1.txt

if cols[1] == 12
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end

this fails when the cols[1] is reading from csv . its considering as string 

begin
  if cat_sub_id.match(/^\d+$/)                    // if this not raised an exception 
     if cols[1].to_i == 12                            //then this if have to take 
  rescue
    if cols[1] == 12                                // if raise an exception then this have to take
  end
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end