#!perl
use strict;
use warnings;

use Cwd;
use Win32::OLE;
use Win32::OLE::Const 'Microsoft PowerPoint';
$Win32::OLE::Warn = 3;

my $file = "PM30306901A SMP Limit Switch.pptx";
my $dir = getcwd();
my $filename = $dir . '\\' . $file; 

print ("Starting PowerPoint\n");
my $process = Win32::OLE->GetActiveObject('Powerpoint.Application')
   || Win32::OLE->new('Powerpoint.Application', 'Quit');

print ( "Opening '$filename'\n" );
my $ppt =  $process->Presentations->Open($filename);

#my $pp = Win32::PowerPoint->new;
$file =~ s/PM3/TCF6203/;
$filename = "$dir/$file";

my @activeslides = $process->ActivePresentation->Slides->in;
foreach my $slide (@activeslides) {
  my $name = $slide->{Name};
  foreach my $shape ($slide->Shapes->in){
    if ($shape->TextFrame->HasText){
      if ($shape->HasTextFrame){
        my $text  = $shape->TextFrame->TextRange->Text;
        print "$name Text $text = ";
        if ($text eq "PM3"){
          $shape->TextFrame->TextRange->{Text}= "TCF6203";
          print "TCF6203\n";
        } else {
          print "No change\n";
        };
      }
    }
  }
}

print ( "Saving '$filename'\n" );
$ppt->SaveAs($filename);