one.txt

alfa beta;www.google.com
Light Dweller - CR, Technical Metal;http://alfa.org;http://beta.org;http://gamma.org;

two.txt

Jack to ride.zip;http://alfa.org;
JKr.rui.rar;http://gamma.org;
Nofj ogk.png;http://gamma.org;

COMMAND TO GENERATE OUTPUT
awk -f join.awk two.txt one.txt

CORRECT OUTPUT

Light Dweller - CR, Technical Metal;http://alfa.org;http://beta.org;http://gamma.org;;Jack to ride.zip;http://alfa.org;JKr.rui.rar;http://gamma.org;Nofj ogk.png;http://gamma.org;
alfa beta;www.google.com;