example of looping over directory

json_adder/examples/insert_many.rs

@@ -0,0 +1,10 @@
+// Example from https://www.mongodb.com/docs/drivers/rust/current/usage-examples/insertMany/
+
+use std::fs;
+
+// Loop over files in a directory, in this case I've created /data
+fn main() {
+    for file in fs::read_dir("../../api.freifunk.net/data/history/").unwrap() {
+        println!("{}", file.unwrap().path().display());
+    }
+}