Question #1: Would something like be what you are looking for:

my @files;
push @files, "d:\\log\\exported\\" . sprintf("%02",$_) . "Sep2003.elog
+" for 1 .. 28;
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Note that the sprintf is in there assuming that the numbers are always two digits (e.g. 01, 09,10,etc).

Question #2: The reason this puts everything together is because of the qq, drop that and add commas between the variables and it should work as expected what you have now is the same as the following code:

my @files = ("$file1 $file2 $file3 $file4 $file5 $file6 $file7 $file8 
+$file9");
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which explains what you are seeing printed.

update: Added that commas need to be added as well. Also, it would be easier as mentioned above to change qq to qw.

-enlil