Print the last concat field

[gerramirez]

i have the expretion:

$F{NROLIGNE} == null? $V{COMMT}: $V{COMMT} + $F{COMMENT}

but print:

FECHA

MATRI CULA

CIA

NRO. VOL.

TIPO VOL.

APD

APA

STD

ATD

ATA

STA

COD. RETA1

TPS. RET1

COD. RETA2

TPS. RET2

COD. RETA3

TPS. RET3

CTE

2019/01/01

XA-MKH

TAO

927

XTA

MEX

ZIH

16:00

15:45

16:50

17:15

0

0

0

MEDLEG / MEDLEG OCHOA

0TI.NAL.13 INT.00   CNX.NAL.04 INT.00   R.17 I.00 F.00 TLLS.17     *EMV

2019/01/01

XA-MKH

TAO

927

XTA

MEX

ZIH

16:00

15:45

16:50

17:15

0

0

0

MEDLEG / MEDLEG OCHOA

0TI.NAL.13 INT.00   CNX.NAL.04 INT.00   R.17 I.00 F.00 TLLS.17     *EMV                                                     TAO648/4

2019/01/01

XA-MKH

TAO

927

XTA

MEX

ZIH

16:00

15:45

16:50

17:15

0

0

0

MEDLEG / MEDLEG OCHOA

0TI.NAL.13 INT.00   CNX.NAL.04 INT.00   R.17 I.00 F.00 TLLS.17     *EMV                                                     TAO648/4         OPS IVAN//01AEROCAR//CP1545//T9

 I needed print only the last record whit all concat in last colum.

Can you help me?