Merge pull request #3 from go-playground/correct-json-output

Correct json output

CHANGELOG.md

@@ -6,9 +6,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.1.0] - 2022-06-08
+### Fixed
+- CLI output to be JSON.
+
 ## [0.1.0] - 2022-03-23
 ### Added
 - Initial conversion from https://github.com/rust-playground/ksql.
 
-[Unreleased]: https://github.com/go-playground/ksql/compare/v0.1.0...HEAD
-[0.1.0]: https://github.com/rust-playground/ksql/commit/v0.1.0
+[Unreleased]: https://github.com/go-playground/ksql/compare/v0.1.1...HEAD
+[0.1.1]: https://github.com/go-playground/ksql/compare/v0.1.0...v0.1.1
+[0.1.0]: https://github.com/go-playground/ksql/commit/v0.1.0

README.md

@@ -1,6 +1,6 @@
 ksql
 =====
-![Project status](https://img.shields.io/badge/version-0.1.0-green.svg)
+![Project status](https://img.shields.io/badge/version-0.1.1-green.svg)
 [![GoDoc](https://godoc.org/github.com/go-playground/ksql?status.svg)](https://pkg.go.dev/github.com/go-playground/ksql)
 ![License](https://img.shields.io/dub/l/vibe-d.svg)
 

cmd/ksql/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"bufio"
+	"encoding/json"
 	"fmt"
 	"os"
 
@@ -35,10 +36,20 @@ func main() {
 				fmt.Fprintln(os.Stderr, "reading standard input:", err)
 				return
 			}
-			if _, err = fmt.Fprintln(w, result); err != nil {
+			b, err := json.Marshal(result)
+			if err != nil {
+				fmt.Fprintln(os.Stderr, "converting results to JSON:", err)
+				return
+			}
+			if _, err = w.Write(b); err != nil {
+				fmt.Fprintln(os.Stderr, "writing standard output:", err)
+				return
+			}
+			if _, err = os.Stdout.Write([]byte{'\n'}); err != nil {
 				fmt.Fprintln(os.Stderr, "writing standard output:", err)
 				return
 			}
+
 		}
 		if err := scanner.Err(); err != nil {
 			fmt.Fprintln(os.Stderr, "reading standard input:", err)
@@ -53,7 +64,19 @@ func main() {
 			usage()
 			return
 		}
-		fmt.Println(result)
+		b, err := json.Marshal(result)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, "converting results to JSON:", err)
+			return
+		}
+		if _, err = os.Stdout.Write(b); err != nil {
+			fmt.Fprintln(os.Stderr, "writing standard output:", err)
+			return
+		}
+		if _, err = os.Stdout.Write([]byte{'\n'}); err != nil {
+			fmt.Fprintln(os.Stderr, "writing standard output:", err)
+			return
+		}
 	}
 }