use strict;
use warnings;
open OUF, '>', 'CollectedInfo.txt' or die;

while (my $FName = shift) {
   print OUF doit($FName), "\n\n";
}
close OUF;

sub doit {
    my $text;
    if (! open INF, '<', $_[0]) {
        print "Can't open file '$_[0]', skipped!\n";
        return '';
    }

    # slurp in the entire file
    local $/;
    $text = <INF>;

    # Trim off everything before "Hit # of #"
    $text =~ s/^.*?Hit\s+\d+of\s\d+//;

    # Trim off everything after "listed since:"
    $text =~ s/listed since:.*$//;

    # Code for cleaning up the text goes here
    # (left as exercise for the reader)

    # Return desired chunk of text   
    return $text;
}