I'm not sure exactly what you want to do....

Basically, you have all of your file names in the array @files. You can use a do...for loop

for (@files) { 
   /\.txt/ && do { print; };
}
[download]

This prints the name of all text files.

for (@files) { 
   !/\.txt/ && do { print; };
}
[download]

This prints the names all non .txt files (note negation)

 
<code>
for (@files) { 
   /^ignore?$/ && do { print; };
}
[download]

Will skip all filenames beginning with ignore.

You should be getting the idea. ~Hammy