Add has_files directory test

include/recon.sh

@@ -38,6 +38,20 @@ cat_uri() {
 }
 
 
+has_files() {
+    #
+    # Directory exists and has at least one file
+    #
+    test -d "$1" || return 1
+    test -e "$1"/* &>/dev/null
+    case $? in
+        0) return 0 ;;
+        1) return 1 ;;
+        *) return 0 ;;
+    esac
+}
+
+
 pids_matching() {
     #
     # Print list of PIDs where command matches regex(es)

test/data/ffoo_api/functions.oracle.stdout

@@ -63,6 +63,7 @@ recon.age_of_leaf
 recon.age_of_tree
 recon.cat_uri
 recon.filter_hosts
+recon.has_files
 recon.listening_on
 recon.pids_matching
 recon.reachable_by_ping