Add the `recurse` function. See #37.

1 files changed, 1 insertions, 1 deletions

diff --git a/builtin.c b/builtin.c
index b0c6c34c..5818a6a4 100644
--- a/builtin.c
+++ b/builtin.c
@@ -544,7 +544,7 @@ static const char* jq_builtins[] = {
   "def del(f): delpaths([path(f)]);",
   "def _assign(paths; value): value as $v | fold . as $obj (path(paths) as $p | $obj | setpath($p; $v));",
   "def _modify(paths; update): fold . as $obj (path(paths) as $p | $obj | setpath($p; getpath($p) | update));",
-  
+  "def recurse(f): ., (f | select(. != null) | recurse(f));",
 };