fix: correct output for json in detect multi for cli

resolves #72

Author: hschimke

crates/cli/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "rxing-cli"
-version = "0.2.2"
-edition = "2021"
+version = "0.2.3"
+edition = "2024"
 description = "A command line interface for rxing supporting encoding and decoding of multiple barcode formats"
 license="Apache-2.0"
 repository="https://github.com/rxing-core/rxing/tree/main/crates/cli"

crates/cli/src/main.rs

@@ -6,6 +6,7 @@ use std::{
 
 use clap::{ArgGroup, Parser, Subcommand};
 use rxing::{BarcodeFormat, MultiFormatWriter, Writer};
+use serde_json::de;
 
 #[derive(Parser)]
 #[command(author, version, about, long_about = None)]
@@ -432,11 +433,25 @@ fn decode_command(
         };
         match results {
             Ok(result_array) => {
-                println!("Found {} results", result_array.len());
+                if !*detailed_results_json {
+                    println!("Found {} results", result_array.len());
+                }else {
+                    println!("[");
+                }
                 for (i, result) in result_array.into_iter().enumerate() {
+                    let json_prefix = if *detailed_results_json && i > 0 {
+                        ","
+                    } else {
+                        ""
+                    };
+                    let prefix = if *detailed_results_json {
+                        json_prefix.to_string()
+                    } else {
+                        format!("\nResult {}:", i)
+                    };
                     println!(
-                        "Result {}:\n{}",
-                        i,
+                        "{}\n{}",
+                        prefix,
                         print_result(
                             &result,
                             *detailed_result,
@@ -446,6 +461,9 @@ fn decode_command(
                         )
                     );
                 }
+                if *detailed_results_json {
+                    println!("]");
+                }
                 ExitCode::SUCCESS
             }
             Err(search_err) => {