use strict;
pipe (parent, child) or die "Can't open pipe: $!\n");
if (fork == 0) { #Test to see if parent or child
     close parent;
     select child;
     $| =1;
     #do your stuff here output should be written to parent
     exit 0;
}
#If we get here we are the parent process
close child;
print while <parent>; #this is to show the output coming from the child you should then store this data to your prefernce.

exit 0;