$ ./3.sftp1.pl upload_file
ini path is /home/bob/Documents/html_template_data/5.example.ini
$VAR1 = bless( {
                 'my_sftp' => {
                                'password' => 'Hello@123',
                                'domain' => '202.123.43.17',
                                'username' => 'netcool'
                              }
               }, 'Config::Tiny' );

values are 202.123.43.17 netcool Hello@123
^C
$ cat 3.sftp1.pl 
#!/usr/bin/perl -w
use 5.011;
use Net::SFTP::Foreign;

my $upload_file = shift;
my $sftp = get_tiny();
my $server_dir = "perlmonks/scripts";
$sftp->mkdir("/$server_dir")  or warn "mkdir1 failed $!\n";
$sftp->setcwd("/$server_dir") or warn "setcwd1 failed $!\n";
$sftp->put($upload_file)        or warn "upload put failed $!\n";
my $remote_dir = $sftp->cwd;
say "remote dir is $remote_dir";
my $ls =  $sftp->ls( $remote_dir);
print "$_->{filename}\n" for (@$ls);
undef $sftp;

sub get_tiny {

  use 5.011;
  use warnings;
  use Net::SFTP::Foreign;
  use Config::Tiny;
  use Data::Dumper;

  my $ini_path = qw( /home/bob/Documents/html_template_data/5.example.ini );
  say "ini path is $ini_path";

  my $sub_hash = "my_sftp";
  my $Config   = Config::Tiny->new;
  $Config = Config::Tiny->read( $ini_path, 'utf8' );
  say Dumper $Config;
  # -> is optional between brackets
  my $domain   = $Config->{$sub_hash}{'domain'};
  my $username = $Config->{$sub_hash}{'username'};
  my $password = $Config->{$sub_hash}{'password'};

  #dial up the server

  say "values are $domain $username $password";
  my $sftp = Net::SFTP::Foreign->new(
    $domain,
    user     => $username,
    password => $password,

  ) or die "Can't connect: $!\n";
  return $sftp;
}

__END__ 

$