Pls help me in optimizing my code.
I have an input file test.txt, in which i need to remove extra enter marks and spaces in the specific lines that are starting with <item>.

input: test.txt

<item>sample   item text one


<item>sample item text two

<item>sample item  text three


<item>sample item text         four
[download]

My present code does it, but i want to do it with fewer lines of code

open(IN, "test.txt") || die "\nCan't open test.txt \n";
open(OUT, ">test.out");
$/="";
{
   local $/ = '<item>';
   print OUT scalar <IN>;
   for (<IN>) {
      s@([\d\D]*?<item>)@
      my $var = $1;
      $var =~ s!\s+! !g;
      $var @e;
      print OUT;
   }
}
close(IN);
close(OUT);
[download]

The required output is:

<item>sample item text one
<item>sample item text two
<item>sample item text three
<item>sample item text four
[download]

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