Thread: Filtering help

Hi all!

Im a really beginner in java.

I whant to make a java console application with this attributions:
I have one input and one output file.
I whant the output file to contains only once the line group what the input file contains repeatedly.
So for example:

Anna is tiwce in this file in input. I whant to output file contains the Anna once with BEGIN:VCARD to END:VCARD

Input file contains this lines:

BEGIN:VCARD
VERSION:3.0
N:;András Pestkó;;;
FN:András Pestkó
TEL;TYPE=CELL:+363044000000
END:VCARD
BEGIN:VCARD
VERSION:3.0
N:füred;Anita;;;
FN:Anita füred
TEL;TYPE=VOICE:+36203100000
END:VCARD
BEGIN:VCARD
VERSION:3.0
N:;Anita füred;;;
FN:Anita füred
TEL;TYPE=CELL:+36203100000
END:VCARD
BEGIN:VCARD
VERSION:3.0
N:;Anna;;;
FN:Anna
TEL;TYPE=VOICE:+36204800000
END:VCARD
BEGIN:VCARD
VERSION:3.0
N:;Anna;;;
FN:Anna
TEL;TYPE=CELL:+36204800000
END:VCARD
BEGIN:VCARD
VERSION:3.0
N:;Anna;;;
FN:Anna
TEL;TYPE=CELL:+36204800000
END:VCARD
BEGIN:VCARD
VERSION:3.0

Thanks for helping me.