I'm trying to loop through all files in a directory, read each file into a varible (@config) and then perform regex operations and spit out the output to a file. I'm having a problem reading the files into the variable. I'm getting "Can't open 'Filename.txt': No such file or directory at ./find.pl line 14", but there are files in the directory.

#!/usr/bin/perl -w
#

use warnings;
use strict;

opendir(DH, "Configs/");
my @files = readdir(DH);
closedir(DH);

foreach my $file (@files) {

        # Read config from .txt files in Dir.
        open my $fh, "<", $file or die "Can't open '$file': $!";
        my @config = <$fh>;
        close $fh;
        chomp @config;
 
        my $configref = \@config;
 
 
                # Extract names from config.
                my @names = map { /^name \d+\.\d+\.\d+\.\d+ ([A-Za-z0-
+9-_]+)$/ ? $1 : () } @{ $configref };
                # Remove names from config.
                @config = grep { $_ !~ /^name / } @config;
                # Find unused name references.
                foreach my $name (@names) {
                        if (!grep { $_ =~ /$name/ } @config) {
                     print "name $name unused.\n";
                }
        }       
 
 
                # Extract objects from config.
                my @objects = map { /^(object|object-group) (network|s
+ervice) ([A-Za-z0-9-_]+)$/ ? $3 : () } @{ $configref };
                # Remove objects from config.
                @config = grep { $_ !~ /^(object|object-group) / } @co
+nfig;
                # Find unused object references.
                foreach my $object (@objects) {
                        if (!grep { $_ =~ /$object/ } @config) {
                     print "object $object unused.\n";
                }       
        }

}
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