feat: updates

src/cmd_piv_verify.rs

@@ -7,7 +7,7 @@ use rust_util::util_clap::{Command, CommandError};
 use yubikey::{Key, YubiKey};
 use yubikey::piv::{AlgorithmId, SlotId};
 
-use crate::{argsutil, cmdutil, ecdsautil, pivutil};
+use crate::{argsutil, cmdutil, ecdsautil, pivutil, util};
 use crate::ecdsautil::EcdsaAlgorithm;
 use crate::pivutil::slot_equals;
 
@@ -99,7 +99,7 @@ impl Command for CommandImpl {
         }
 
         if json_output {
-            println!("{}", serde_json::to_string_pretty(&json).unwrap());
+            util::print_pretty_json(&json);
         }
         Ok(None)
     }