Take a look in this scripts that I made to transfer files through different OS. This work fine on Perl-5.6.1. If you use Perl-5.8.0 you need to compile it withou PerlIO or set your enverioment variable PERLIO to :raw (maybe will crash with this) or the PerlIO layer will cause some erros with binary files.

I use 2 scrips in the port 6123 (you can change), one client and one server. To use just run the server on the machine that will receive the files, and in the machine that will send, type this:

perl client.pl file_to_send.ext host_name port

CLIENT

#!/usr/bin/perl

####################
# SEND FILE CLIENT #
####################

  use IO::Socket ;
  $bandwidth = 1024*5 ; # 5Kb/s
  
  &send_file( $ARGV[0] , $ARGV[1]||'localhost' , $ARGV[2]||6123 ) ;
  
  exit;

#############
# SEND_FILE #
#############

sub send_file {
  my ( $file , $host , $port ) = @_ ;
  
  if (! -s $file) { die "ERROR! Can't find or blank file $file" ;}
  my $file_size = -s $file ;
  
  my ($file_name) = ( $file =~ /([^\\\/]+)[\\\/]*$/gs );
  
  my $sock = new IO::Socket::INET(
     PeerAddr => $host,
     PeerPort => $port,
     Proto    => 'tcp',
     Timeout  => 30) ;

  if (! $sock) { die "ERROR! Can't connect\n" ;}
  $sock->autoflush(1);
  
  print "Sending $file_name\n$file_size bytes." ;
  
  print $sock "$file_name#:#" ; # send the file name.
  print $sock "$file_size\_" ; # send the size of the file to server.

  open (FILE,$file) ; binmode(FILE) ;

  my $buffer ;
  while( sysread(FILE, $buffer , $bandwidth) ) {
    print $sock $buffer ;
    print "." ;
    sleep(1) ;
  }
  
  print "OK\n\n" ;
  
  close (FILE) ;
  close($sock) ;
}

#######
# END #
#######
[download]

SERVER

#!/usr/bin/perl

####################
# SEND FILE SERVER #
####################

  use IO::Socket ;

  my $port = $ARGV[0] || 6123 ;
  my $save_dir = './files' ;
  
#############
# START SRV #
#############

  if (! -d $save_dir) {
    mkdir($save_dir,0755) ;
    print "Save directory created: $save_dir\n" ;
  }
  
  my $server = IO::Socket::INET->new(
      Listen => 5,
      LocalAddr => 'localhost',
      LocalPort => $port ,
      Proto     => 'tcp'
  ) or die "Can't create server socket: $!";
  
  print "Server opened: localhost:$port\nWaiting clients...\n\n" ;
  
  while( my $client = $server->accept ) {
    print "\nNew client!\n" ;
    my ($buffer,%data,$data_content) ;
    my $buffer_size = 1 ;
    
    while( sysread($client, $buffer , $buffer_size) ) {
      if    ($data{filename} !~ /#:#$/) { $data{filename} .= $buffer ;
+}
      elsif ($data{filesize} !~ /_$/) { $data{filesize} .= $buffer ;}
      elsif ( length($data_content) < $data{filesize}) {
      
        if ($data{filesave} eq '') {
          $data{filesave} = "$save_dir/$data{filename}" ;
          $data{filesave} =~ s/#:#$// ;
          $buffer_size = 1024*10 ;
          if (-e $data{filesave}) { unlink ($data{filesave}) ;}
          print "Saving: $data{filesave} ($data{filesize}bytes)\n" ;
        }

        open (FILENEW,">>$data{filesave}") ; binmode(FILENEW) ;
        print FILENEW $buffer ;
        close (FILENEW) ;
        print "." ;        
      }
      else { last ;}
    }
    
    print "OK\n\n" ;
  }
  
#######
# END #
#######
[download]

Graciliano M. P.
"The creativity is the expression of the liberty".

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