need to remove the extra line in regular expression

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eth0      Link encap:Ethernet  HWaddr 00:0C:29:0F:9B:82
          inet addr:192.168.8.76  Bcast:192.168.8.255  Mask:255.255.25
+5.0
...
          TX packets:4664 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:7952486 (7.5 MiB)  TX bytes:7952486 (7.5 MiB)

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open FILE,"config.txt" or die "cannot open file : $!";
$i = 1;
...

    # print $_;
}

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Line 1 ->eth0 Link
Line 2 -> inet
...
Line 16 -> TX
Line 17 -> collisions:0
Line 18 -> RX

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eth0 => 192.168.8.76
lo => 127.0.0.1

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