Please read Writeup Formatting Tips.
You can read files in a directory like this ..

 @files = <path>;
 foreach $file (@files) {
   print $file . "\n";
 if ( $file =~ /*\.txt/)
{
#add to table 
#copy file
}
[download]

Not tested
Please search nodes before posting a query. copy files from one directory to another.

The script would update this variable value in a table.
which type of table (database ot text) ?