Trying to make some sense of your garbled code:

 #!/usr/bin/perl 
use 5.010; 
use strict; 
use warnings;
main(@ARGV);

sub get_host # Collect the host name from a text file
{ 
  open(HOST, '<', 'hosts.txt') or error("cannot open file ($!)");
  my @host = <HOST>; 
  return "@host\n"; 
} 

sub get_logon # Collect logon ID from keyboard 
{ 
  my $logon; 
  print "Please Enter Logon ID:\n"; 
  chomp ($logon =<>); 
  return $logon; 
} 

sub get_psswd # Collect password from keyboard 
{ 
  my $psswd; 
  print "Please Enter Password for hostID:\n"; 
  chomp ($psswd =<>); 
  return $psswd;
} 

sub get_command # Collect the commands from a text file 
{ 
  open(CMD, '<', 'cmds.txt') or error("cannot open file ($!)"); 
  my @cmd = <CMD>; 
  return @cmd; 
} 
# etc.
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Isn't it somewhat clearer than the mess that you posted??