my $myString = "This is a test\nthis is only a test\n";

pipe(READER, WRITER);
if(fork()) #should have some error checking
 {
   close(WRITER);
   while(<READER>)
    {
      print "I just read: $_";
    }
 }
else
 {
   close(READER);
   print WRITER $myString;
   close(WRITER);
   exit;
 }