sub get_html_filename{
use Net::SFTP::Foreign;
use File::Basename;
use Cwd;
use 5.01;

my $sftp = shift;
# get working directory
my $dir = getcwd();
my $word = basename($dir);
say "word is $word";
# get files from /pages
my $ls = $sftp->ls("/pages", wanted => qr/$word/)     
or warn "unable to retrieve ".$sftp->error;
print "$_->{filename}\n" for (@$ls);

my @remote_files = map  { $_->{filename} } @$ls;
say "files are @remote_files";
my $rref = \@remote_files;
my $filetype = "html";
my $old_num = highest_number($rref, $filetype, $word);
print "old num is $old_num\n";
my $new_num = $old_num + 1;
my $html_file = $word.$new_num.'.'.$filetype;
return $html_file;
}