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You may also want to read up on how to use Arrays in perl. Information on this is available by typing "perldoc perlintro".
I would also recommend adding the following to the top of every program you write:
If you need assistance debugging pyour program, please show the content of the file "b.txt" (at least the first few lines).
It appears that you want to process a template with some data. An experienced programmer would use something like Template::Toolkit.
"By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest."
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