feat: updates

src/cmd_piv_meta.rs

@@ -9,7 +9,7 @@ use x509_parser::parse_x509_certificate;
 use yubikey::{Key, YubiKey};
 use yubikey::piv::{AlgorithmId, metadata};
 
-use crate::{cmdutil, pivutil};
+use crate::{cmdutil, pivutil, util};
 use crate::pivutil::{get_algorithm_id_by_certificate, slot_equals, ToStr};
 use crate::pkiutil::bytes_to_pem;
 use crate::sshutil::SshVecWriter;
@@ -134,7 +134,7 @@ impl Command for CommandImpl {
         }
 
         if json_output {
-            println!("{}", serde_json::to_string_pretty(&json).unwrap());
+            util::print_pretty_json(&json);
         }
         Ok(None)
     }