line 11: File.size comes back as not equal to 0 (which is good) in Rails Console, but returns 0 when run in the below method

controller.rb

def sum_close
      daily_closed_tickets = Fst.sum_retrieve_closed_tickets
      daily_closed_tickets.each do |ticket|
          CSV.open("/var/www/html/harmonize/public/close/CLOSED_#{ticket.attributes['TroubleTicketNumber']}_sum.txt", "w+", {force_quotes: false}) do |csv|
              if (ticket.attributes['ClosedDate'].present? && ticket.attributes['CauseCode'].present? && (FileCopyReceipt.exists?(path: "/var/www/html/harmonize/public/open/OPEN_#{ticket.attributes['TroubleTicketNumber']}_sum.txt"))) 
                  csv << ["GENERATE CSV WITH ATTRIBUTES HERE"]
                  files = Dir.glob("/var/www/html/harmonize/public/close/CLOSED_#{ticket.attributes['TroubleTicketNumber']}_sum.txt")
                  files.each do |f|
                      Rails.logger.info "CHECKING SUM PATH (should be false): #{FileCopyReceipt.exists?(path: f)}"
                      Rails.logger.info "File size (should return non-0): #{File.size(f)}" #returns 0, but not in Rails Console
                      Rails.logger.info "File size true or false, should be true: #{File.size(f) != 0}" #returns false, should return true
                      Rails.logger.info "Rails Environment: #{Rails.env}" #returns production
                      if(!FileCopyReceipt.exists?(path: f) && (File.size(f) != 0))
                          Rails.logger.info("SUM CLOSE, GOOD => FileUtils.cp_r occurred and FileCopyReceipt object created")            
                      else
                          Rails.logger.info("SUM CLOSE, WARNING: => no data transfer occurred")
                      end
                  end
              else
                  Rails.logger.info("SUM CLOSE => DID NOT make it into initial if ClosedDate.present? if block")
              end
          end
      end
  end