Initial commit

main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"github.com/pkg/errors"
+)
+
+func echo(args []string) error {
+	if len(args) < 2 {
+		return errors.New("no message to echo")
+	}
+	_, err := fmt.Println(strings.Join(args[1:], " "))
+	return err
+}
+
+func main() {
+	if err := echo(os.Args); err != nil {
+		fmt.Fprintf(os.Stderr, "%+v\n", err)
+		os.Exit(1)
+	}
+}