Silent mode

README.md

@@ -37,7 +37,7 @@ sudo apt install docker-color-output
 
 You can download the Windows build from the [releases](https://github.com/devemio/docker-color-output/releases) page.
 
-## 😺 Configuration
+## ⚙️ Configuration
 
 You can customize the color palette to your liking, to do this you need to run `docker-color-output` with the `-c`
 flag and specify the path to the configuration file. You can overwrite only the colors you want, the rest will be
@@ -73,6 +73,16 @@ Default configuration file:
 }
 ```
 
+#### 🔕 Silent mode
+
+The silent mode suppresses error messages and prints the original output instead. This is useful when you want to keep
+the standard output even in case of errors. If an error occurs, it will not display an error message but will pass
+through the original output instead.
+
+```bash
+docker ps | docker-color-output -s
+```
+
 ## 📚 Usage
 
 ### 🪄 Aliases

cmd/cli/main.go

@@ -29,12 +29,16 @@ func run() error {
 	color.SetPalette(color.Palette(cfg.Colors))
 
 	return stdin.Get(func(rows []string) error { //nolint:wrapcheck
-		rows, err = app.Run(rows)
+		formatted, err := app.Run(rows)
 		if err != nil {
-			return fmt.Errorf("app: %w", err)
+			if !cfg.SilentMode {
+				return fmt.Errorf("app: %w", err)
+			}
+
+			formatted = rows
 		}
 
-		for _, row := range rows {
+		for _, row := range formatted {
 			stdout.Println(row)
 		}
 

internal/app/const.go

@@ -1,6 +1,6 @@
 package app
 
 const (
-	Ver  = "2.5.2"
+	Ver  = "2.6.0"
 	Name = "docker-color-output"
 )

internal/app/usage.go

@@ -1,25 +1,26 @@
 package app
 
 import (
-	"github.com/devemio/docker-color-output/internal/stdout"
+	"github.com/devemio/docker-color-output/internal/stderr"
 	"github.com/devemio/docker-color-output/pkg/color"
 )
 
 const indent = "    "
 
 func Usage(err error) {
 	if err != nil {
-		stdout.Println(color.LightRed("💡 Error: " + err.Error()))
+		stderr.Println(color.LightRed("💡 Error: " + err.Error()))
 	}
 
-	stdout.Println("💥 Version: " + color.Green(Ver))
+	stderr.Println("💥 Version: " + color.Green(Ver))
 
-	stdout.Println("👌 Usage:")
-	stdout.Println(indent + color.Green("docker compose ps") + " [-a] | " + color.Brown(Name))
-	stdout.Println(indent + color.Green("docker images") + " [--format] | " + color.Brown(Name))
-	stdout.Println(indent + color.Green("docker ps") + " [-a] [--format] | " + color.Brown(Name))
-	stdout.Println(indent + color.Green("docker stats") + " [--no-stream] | " + color.Brown(Name))
+	stderr.Println("👌 Usage:")
+	stderr.Println(indent + color.Green("docker compose ps") + " [-a] | " + color.Brown(Name))
+	stderr.Println(indent + color.Green("docker images") + " [--format] | " + color.Brown(Name))
+	stderr.Println(indent + color.Green("docker ps") + " [-a] [--format] | " + color.Brown(Name))
+	stderr.Println(indent + color.Green("docker stats") + " [--no-stream] | " + color.Brown(Name))
 
-	stdout.Println("🚀 Flags:")
-	stdout.Println(indent + color.Green("-c") + " " + color.Brown("string") + " Path to configuration file")
+	stderr.Println("🚀 Flags:")
+	stderr.Println(indent + color.Green("-c") + " " + color.Brown("string") + " Path to configuration file")
+	stderr.Println(indent + color.Green("-s") + " " + color.Brown("bool") + " Silent mode (suppress errors)")
 }

internal/config/config.go

@@ -10,7 +10,8 @@ import (
 )
 
 type Config struct {
-	Colors Colors `json:"colors"`
+	SilentMode bool   `json:"-"`
+	Colors     Colors `json:"colors"`
 }
 
 type Colors struct {
@@ -41,6 +42,7 @@ func Get() (Config, error) {
 	}
 
 	cfgPath := flag.String("c", "", "Path to configuration file")
+	silentMode := flag.Bool("s", false, "Silent mode (suppress errors)")
 	flag.Parse()
 
 	if *cfgPath != "" {
@@ -54,11 +56,16 @@ func Get() (Config, error) {
 		}
 	}
 
+	if *silentMode {
+		cfg.SilentMode = true
+	}
+
 	return cfg, nil
 }
 
 func createDefault() Config {
 	return Config{
+		SilentMode: false,
 		Colors: Colors{
 			Reset:       "\u001B[0m",
 			Black:       "\u001B[0;30m",

internal/stderr/stderr.go

@@ -0,0 +1,10 @@
+package stderr
+
+import (
+	"fmt"
+	"os"
+)
+
+func Println(in string) {
+	_, _ = fmt.Fprintln(os.Stderr, in)
+}