foreach $zip_file (@zip_files){
    open ZIPS, "unzip -l $zip_file|";
    while(<ZIPS>){
	  push @text_files,$1 if /(\d+.out)$/;
    }
    foreach $text_file (@text_files){
       open IN, "unzip -p $zip_file $text_file|";
       my (@required_data) = process_file(\*IN);
    }
}