# use strict;

# I turned off strict because I get the following error with it on:
# Can't use string ("FROM_CHILD_ONE") as a symbol ref while 
# "strict refs" in use at foo.pl line 16.  Strict off seems to work??

my %hash;
my @dirs;
@dirs = qw(ONE TWO THREE FOUR);

for my $loop(@dirs)
   {
   my $from = "FROM_CHILD_$loop";
   my $to = "TO_PARENT_$loop";
   pipe ($from, $to) or die "Oops Pipe: $!\n";
   select((select($to), $|++ )[0]); # set autoflush
   $|++;
   my $test = rand 5;    # simulate processing
   print $to "$test $loop\n";
   }

for my $loop(@dirs)
   {
   my $from = "FROM_CHILD_$loop";
   my $to = "TO_PARENT_$loop";
   chomp( my $in = <$from> );
   (my $value, my $key) = split(/\ /, $in);
   $hash{$key} = $value;
   close $to; 
   close $from;
   }


for my $loop(keys %hash)
   {
   print "keys $loop => $hash{$loop}\n";
   }