my %data; my $device; for (@check){ next if ! /\d{1,2}-\d{1,2}/; chomp; s/\s+//g; if (/EQUIP-OME/){ $device = $_; next; } push @{$data{$device}}, $_; } for my $device (keys %data){ for my $interface (@{$data{$device}}){ print "$device,$interface\n"; } } #### EQUIP-OME815-08-2615:19:27,"ETH10G-1-13-2,ETH10G:OPT-OCH,-3.20,COMPL,NEND,TRMT,1-DAY,08-25,00-00,1,,,," EQUIP-OME815-08-2615:19:27,"ETH10G-1-13-2,ETH10G:OPRN-OCH,-17,COMPL,NEND,RCV,1-DAY,08-25,00-00,1,,,," 115-EQUIP-OME515-08-2615:19:26,"OC12-1-4-7,OC12:OPRN-OCH,-79,COMPL,NEND,RCV,1-DAY,08-25,00-00,1,,,," 115-EQUIP-OME515-08-2615:19:26,"OC12-1-4-7,OC12:OPTN-OCH,0,ADJ,NEND,TRMT,1-DAY,08-25,00-00,1,,,," 115-EQUIP-OME515-08-2615:19:26,"OC12-1-4-8,OC12:OPR-OCH,-14.04,COMPL,NEND,RCV,1-DAY,08-25,00-00,1,,,," EQUIP-OME115-08-2615:19:13,"OC192-1-1-2,OC192:OPR-OCH,-10.20,COMPL,NEND,RCV,1-DAY,08-25,00-00,1,,,," EQUIP-OME115-08-2615:19:13,"OC192-1-1-2,OC192:OPT-OCH,-3.50,COMPL,NEND,TRMT,1-DAY,08-25,00-00,1,,,," 123-EQUIP-OME215-08-2615:19:25,"OC12-1-3-7,OC12:OPRN-OCH,-89,COMPL,NEND,RCV,1-DAY,08-25,00-00,1,,,," 123-EQUIP-OME215-08-2615:19:25,"OC12-1-3-7,OC12:OPTN-OCH,0,ADJ,NEND,TRMT,1-DAY,08-25,00-00,1,,,,"