If you only want files, then just grab files and ignore all directories: 
use strict;
use warnings;

opendir my $dh, $new_dir or die "Cannot open directory";
my @GPS = grep { -f "$new_dir/$_" } readdir($dh);
closedir $dh;

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In reply to Re: Catching . .. in file listing by toolic
in thread Catching . .. in file listing by deadpickle

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