As for your question...

# Create the global variables with an assignment to null.
foreach $attr (@attr_list) { 
    ${$attr} = ""; 
}
[download]

Why are you doing that? Symbolic references are generally a no-no. You should probably be using a hash. That said, it shouldn't break anything.

What is the problem you are actually having? Are you getting an error? Can you better explain exactly what the issue is?

-sauoq
"My two cents aren't worth a dime.";