+my %fields;
+if ( $summarize ) {
+tie %fields, 'Tie::IxHash',
+ 'username' => {
+ name => 'User',
+ attrib => 'UserName',
+ fmt => $user_format,
+ align => 'left',
+ },
+ 'dummy' => {
+ name => 'Customer',
+ attrib => '',
+ fmt => $customer_format,
+ align => 'left',
+ },
+ 'acctsessiontime' => {
+ name => 'Duration',
+ attrib => 'Acct-Session-Time',
+ fmt => $duration_format,
+ align => 'right',
+ },
+ 'acctinputoctets' => {
+ name => 'Upload', # (from user)',
+ attrib => 'Acct-Input-Octets',
+ fmt => $octets_format,
+ align => 'right',
+ },
+ 'acctoutputoctets' => {
+ name => 'Download', # (to user)',
+ attrib => 'Acct-Output-Octets',
+ fmt => $octets_format,
+ align => 'right',
+ },
+;
+} else {
+tie %fields, 'Tie::IxHash',