my $test = "/C \"C:\\...\\EXCEL.EXE\" C:\\test.xls";
system ("cmd",$test);

##</code><code>##

my $test = "/C \"C:\\...\\EXCEL.EXE\" C:\\test.xls";
system ("cmd $test");

##</code><code>##

my @test= ("/C", "C:\\...\\EXCEL.EXE", "C:\\test.xls");
system ("cmd", @test);