use Win32::OLE;

#!/usr/bin/perl
use Win32::OLE;
use warnings;
use strict;
my @data;
my $file      = 'lala.csv';
my $columns   = 5;
my $csv_file    = 'zieldatei.csv';

my $excel = Win32::OLE->new();
$excel->add_worksheet('Hoffnung');
open(my $fh,'<',$file) or die $!;               
           
while(my $line = <$fh>) {               
               
               
     
  chomp $line;               

my @array = (split(/[\t\s\\]/,$line))[0..($columns1)];  
  foreach (@array) {
      s/^\s+/;/g;                    
      s/\s+$/;/g;           
  } # foreach

  push(@data,[@array]);
} # while
close ($fh);

my $format = '';
for my $i(0..scalar(@{$data[0]})-1){        
  my $max = find_longest(map{$_->[$i]}@data);
  $format .= '%-'.$max.'s ';
} 
for my $entry(@data){
  print sprintf($format . "<<
",@$entry);
$excel->add_row('Hoffnung',$entry);
}
{
return $excel->output_to_file($csv_file);
return $longest;
}
 my $file2 = 'hoffnung_30_08_2006.csv';
    open($fh,'<',$file);
    open(my $dod,'<',$file2) or die "geht nicht!";
    open($dod,'>',$file2);
 while(<$fh>)
  {
 print  $dod @data;

   sub find_longest{               
               
               
            
  my $longest = 0;
  for(@_){
      my $length = length($_);
      $longest = $length if($length > $longest);
  }
  close ($dod);
  close ($fh);

Execution of excel.pl aborted due to compilation errors 

$ex = Win32::OLE->new('Excel.Application') or die $!;