feat: updates

src/cmd_pgp_age_address.rs

@@ -1,12 +1,12 @@
 use bech32::{ToBase32, Variant};
-use clap::{App, Arg, ArgMatches, SubCommand};
+use clap::{App, ArgMatches, SubCommand};
 use openpgp_card::algorithm::{Algo, Curve};
 use openpgp_card::crypto_data::{EccType, PublicKeyMaterial};
 use openpgp_card::{KeyType, OpenPgp};
 use openpgp_card_pcsc::PcscBackend;
 use rust_util::util_clap::{Command, CommandError};
-use rust_util::util_msg;
 use std::collections::BTreeMap;
+use crate::cmdutil;
 
 const AGE_PUBLIC_KEY_PREFIX: &str = "age";
 
@@ -17,12 +17,11 @@ impl Command for CommandImpl {
 
     fn subcommand<'a>(&self) -> App<'a, 'a> {
         SubCommand::with_name(self.name()).about("OpenPGP Card encryption key to age address")
-            .arg(Arg::with_name("json").long("json").help("JSON output"))
+            .arg(cmdutil::build_json_arg())
     }
 
     fn run(&self, _arg_matches: &ArgMatches, sub_arg_matches: &ArgMatches) -> CommandError {
-        let json_output = sub_arg_matches.is_present("json");
-        if json_output { util_msg::set_logger_std_out(false); }
+        let json_output = cmdutil::check_json_output(sub_arg_matches);
 
         let cards = opt_result!(PcscBackend::cards(None), "Failed to list OpenPGP cards: {}");