some PERL playing with JSON

diff --git a/perl/map-reduce/recursive-json.pl b/perl/map-reduce/recursive-json.pl
new file mode 100755 (executable)
index 0000000..8c57d00
--- /dev/null
+++ b/perl/map-reduce/recursive-json.pl
@@ -0,0 +1,12 @@
+#!/usr/bin/env perl
+use strict;
+use warnings;
+
+use JSON;
+use Data::Dumper;
+
+my $a={a=>{f=>"",b=>""},b=>{f=>"",b=>""}};
+$a->{"b"}=$a;
+
+print Dumper($a);
+print encode_json($a)."\n"