Shell Programming and Scripting

use Win32::OLE('in');
use constant wbemFlagReturnImmediately => 0x10;
use constant wbemFlagForwardOnly => 0x20;
#use Win32::AdminMisc;

#Read from your selected file, make sure the path is right; you must use \\ or UNC \\\\
$computer="c:\\list\\hosts.txt \n";
open(DATA,$computer) or die "Could not open File!, check the path! \n";
@raw_list=<DATA>;
print @raw_list;
close(DATA)

foreach($computer, @raw_list); 
$objWMIService = Win32::OLE->GetObject
    ("winmgmts:\\\\$computer\\root\\CIMV2") or die "WMI connection failed.\n";
$colItems = $objWMIService->ExecQuery
    ("SELECT * FROM Win32_OperatingSystem","WQL",wbemFlagReturnImmediately | wbemFlagForwardOnly);

foreach my $objItem (in $colItems)
{
      print "Caption: $objItem->{Caption}\n";
      print "CSD Version: $objItem->{CSDVersion}\n";
      print "CS Name: $objItem->{CSName}\n";
      print "Name: $objItem->{Name}\n";
      print "Service Pack Major Version: $objItem->{ServicePackMajorVersion}\n";
      print "System Directory: $objItem->{SystemDirectory}\n";
      print "Windows Directory: $objItem->{WindowsDirectory}\n";
      print "\n";
}

foreach($computer, @raw_list)
{
   $objWMIService = Win32::OLE->GetObject
       ("winmgmts:\\\\$computer\\root\\CIMV2") or die "WMI connection failed.\n";
   $colItems = $objWMIService->ExecQuery
       ("SELECT * FROM Win32_OperatingSystem","WQL",wbemFlagReturnImmediately | wbemFlagForwardOnly);

   foreach my $objItem (in $colItems)
   {
         print "Caption: $objItem->{Caption}\n";
         print "CSD Version: $objItem->{CSDVersion}\n";
         print "CS Name: $objItem->{CSName}\n";
         print "Name: $objItem->{Name}\n";
         print "Service Pack Major Version: $objItem->{ServicePackMajorVersion}\n";
         print "System Directory: $objItem->{SystemDirectory}\n";
         print "Windows Directory: $objItem->{WindowsDirectory}\n";
         print "\n";
   }
}

#!/usr/bin/perl

# @(#) perl-basic       Template for common usage.

# use warnings;
# use strict;

my($debug);
$debug = 0;
$debug = 1;

my(@a) = qw/ a b c d e /;
my($a) = @a;

foreach my $i ( in $a ) {
        print " i is :$i:\n";
}

exit(0);

% ./p1
Can't locate object method "in" via package "a" (perhaps you forgot to load "a"?) at ./p1 line 15.