feat: updates

src/cmd_piv_summary.rs

@@ -9,7 +9,7 @@ use tabled::{Table, Tabled};
 use x509_parser::parse_x509_certificate;
 use yubikey::piv::{metadata, SlotId};
 use yubikey::{Certificate, YubiKey};
-use crate::cmdutil;
+use crate::{cmdutil, util};
 use crate::pivutil::{get_algorithm_id_by_certificate, ToStr, ORDERED_SLOTS};
 
 const NA: &str = "N/A";
@@ -99,7 +99,7 @@ impl Command for CommandImpl {
             output.insert("piv_slots".to_string(), Value::Array(piv_slots_values));
         }
         if json_output {
-            println!("{}", serde_json::to_string_pretty(&output).unwrap());
+            util::print_pretty_json(&output);
         }
 
         Ok(None)