fix

README.MD

@@ -13,7 +13,11 @@ A convenient configuration generator based on an `yaml` template with `env` supp
 GOPATH=./bin go install github.com/evald24/go-gen-config/cmd/go-gen-config
 ```
 
-Usage:
+## Usage:
+
+At the beginning, create a file with a configuration template (e.g. [`config.template.yaml`](/example/config.template.yaml))
+
+Then execute the generation command:
 
 ```zsh
 ./bin/go-gen-config -t ./example/config.template.yaml -o ./example/config/config.gen.go -c ./example/config.yaml

cmd/go-gen-config/main.go

@@ -4,6 +4,7 @@ import (
 	"flag"
 	"fmt"
 	"log"
+	"strings"
 
 	"github.com/evald24/go-gen-config/internal/generator"
 )
@@ -20,25 +21,23 @@ func main() {
 	flag.StringVar(&configPath, "c", "", "Path to the generate config file (yaml)")
 	flag.Parse()
 
-	checkNoEmpty(
-		map[string]interface{}{
-			"template": templatePath,
-			"ouput":    outputPath,
-			"config":   configPath,
-		})
+	checkNoEmpty(map[string]string{
+		"template": templatePath,
+		"ouput":    outputPath,
+	})
 
 	gen := generator.New(templatePath, outputPath, configPath)
 	if err := gen.Generate(); err != nil {
 		fmt.Println(err)
 		return
 	}
 
-	fmt.Println("Generate template done")
+	fmt.Println("Template generation is complete")
 }
 
-func checkNoEmpty(paths map[string]interface{}) {
-	for k := range paths {
-		if outputPath == "" {
+func checkNoEmpty(paths map[string]string) {
+	for k, v := range paths {
+		if strings.TrimSpace(v) == "" {
 			log.Fatalf("%v path is empty", k)
 		}
 	}