add versionFromBuild() and sendCommands() to separate the logic in main() a little.

Flags now implements fmt.Stringer interface.

import lint fix

cmd/vbantxt/main.go

@@ -11,10 +11,11 @@ import (
 	"time"
 
 	"github.com/charmbracelet/log"
-	"github.com/onyx-and-iris/vbantxt"
 	"github.com/peterbourgon/ff/v4"
 	"github.com/peterbourgon/ff/v4/ffhelp"
 	"github.com/peterbourgon/ff/v4/fftoml"
+
+	"github.com/onyx-and-iris/vbantxt"
 )
 
 var version string // Version will be set at build time
@@ -32,8 +33,22 @@ type Flags struct {
 	Version    bool   // Version flag
 }
 
+func (f *Flags) String() string {
+	return fmt.Sprintf(
+		"Host: %s, Port: %d, Streamname: %s, Bps: %d, Channel: %d, Ratelimit: %dms, ConfigPath: %s, Loglevel: %s",
+		f.Host,
+		f.Port,
+		f.Streamname,
+		f.Bps,
+		f.Channel,
+		f.Ratelimit,
+		f.ConfigPath,
+		f.Loglevel,
+	)
+}
+
 func exitOnError(err error) {
-	_, _ = fmt.Fprintf(os.Stderr, "Error: %s\n", err)
+	fmt.Fprintf(os.Stderr, "Error: %s\n", err)
 	os.Exit(1)
 }
 
@@ -41,7 +56,7 @@ func main() {
 	var flags Flags
 
 	// VBAN specific flags
-	fs := ff.NewFlagSet("vbantxt")
+	fs := ff.NewFlagSet("vbantxt - A command-line tool for sending text requests over VBAN")
 	fs.StringVar(&flags.Host, 'H', "host", "localhost", "VBAN host")
 	fs.IntVar(&flags.Port, 'p', "port", 6980, "VBAN port")
 	fs.StringVar(&flags.Streamname, 's', "streamname", "Command1", "VBAN stream name")
@@ -56,8 +71,20 @@ func main() {
 	defaultConfigPath := filepath.Join(configDir, "vbantxt", "config.toml")
 
 	// Configuration file and logging flags
-	fs.StringVar(&flags.ConfigPath, 'C', "config", defaultConfigPath, "Path to the configuration file")
+	fs.StringVar(
-	fs.StringVar(&flags.Loglevel, 'l', "loglevel", "warn", "Log level (debug, info, warn, error, fatal, panic)")
+		&flags.ConfigPath,
+		'C',
+		"config",
+		defaultConfigPath,
+		"Path to the configuration file",
+	)
+	fs.StringVar(
+		&flags.Loglevel,
+		'l',
+		"loglevel",
+		"warn",
+		"Log level (debug, info, warn, error, fatal, panic)",
+	)
 	fs.BoolVar(&flags.Version, 'v', "version", "Show version information")
 
 	err = ff.Parse(fs, os.Args[1:],
@@ -75,14 +102,7 @@ func main() {
 	}
 
 	if flags.Version {
-		if version == "" {
+		fmt.Printf("vbantxt version: %s\n", versionFromBuild())
-			info, ok := debug.ReadBuildInfo()
-			if !ok {
-				exitOnError(errors.New("failed to read build info"))
-			}
-			version = strings.Split(info.Main.Version, "-")[0]
-		}
-		fmt.Printf("vbantxt version: %s\n", version)
 		os.Exit(0)
 	}
 
@@ -92,7 +112,7 @@ func main() {
 	}
 	log.SetLevel(level)
 
-	log.Debugf("Loaded configuration: %+v", flags)
+	log.Debugf("Loaded configuration: %s", flags.String())
 
 	client, closer, err := createClient(&flags)
 	if err != nil {
@@ -100,12 +120,24 @@ func main() {
 	}
 	defer closer()
 
-	for _, arg := range fs.GetArgs() {
+	commands := fs.GetArgs()
-		err := client.Send(arg)
+	if len(commands) == 0 {
-		if err != nil {
+		exitOnError(errors.New("no VBAN commands provided"))
-			log.Error(err)
-		}
 	}
+
+	sendCommands(client, commands)
+}
+
+// versionFromBuild retrieves the version information from the build metadata.
+func versionFromBuild() string {
+	if version == "" {
+		info, ok := debug.ReadBuildInfo()
+		if !ok {
+			exitOnError(errors.New("failed to read build info"))
+		}
+		version = strings.Split(info.Main.Version, "-")[0]
+	}
+	return version
 }
 
 // createClient creates a new vban client with the provided options.
@@ -129,3 +161,14 @@ func createClient(flags *Flags) (*vbantxt.VbanTxt, func(), error) {
 
 	return client, closer, err
 }
+
+// sendCommands sends a list of commands to the VBAN client.
+func sendCommands(client *vbantxt.VbanTxt, commands []string) {
+	for _, cmd := range commands {
+		err := client.Send(cmd)
+		if err != nil {
+			log.Errorf("Failed to send command '%s': %v", cmd, err)
+			continue
+		}
+	}
+}

go.mod

@@ -25,7 +25,7 @@ require (
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-runewidth v0.0.19 // indirect
 	github.com/muesli/termenv v0.16.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.9 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect

go.sum

@@ -18,6 +18,7 @@ github.com/clipperhouse/stringish v0.1.1 h1:+NSqMOr3GR6k1FdRhhnXrLfztGzuG+VuFDfa
 github.com/clipperhouse/stringish v0.1.1/go.mod h1:v/WhFtE1q0ovMta2+m+UbpZ+2/HEXNWYXQgCt4hdOzA=
 github.com/clipperhouse/uax29/v2 v2.6.0 h1:z0cDbUV+aPASdFb2/ndFnS9ts/WNXgTNNGFoKXuhpos=
 github.com/clipperhouse/uax29/v2 v2.6.0/go.mod h1:Wn1g7MK6OoeDT0vL+Q0SQLDz/KpfsVRgg6W7ihQeh4g=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-logfmt/logfmt v0.6.1 h1:4hvbpePJKnIzH1B+8OR/JPbTx37NktoI9LE2QZBBkvE=
@@ -37,14 +38,20 @@ github.com/mattn/go-runewidth v0.0.19 h1:v++JhqYnZuu5jSKrk9RbgF5v4CGUjqRfBm05byF
 github.com/mattn/go-runewidth v0.0.19/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
 github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc=
 github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
-github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
+github.com/pelletier/go-toml/v2 v2.0.9 h1:uH2qQXheeefCCkuBBSLi7jCiSmj3VRh2+Goq2N7Xxu0=
-github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
+github.com/pelletier/go-toml/v2 v2.0.9/go.mod h1:tJU2Z3ZkXwnxa4DPO899bsyIoywizdUvyaeZurnPPDc=
 github.com/peterbourgon/ff/v4 v4.0.0-beta.1 h1:hV8qRu3V7YfiSMsBSfPfdcznAvPQd3jI5zDddSrDoUc=
 github.com/peterbourgon/ff/v4 v4.0.0-beta.1/go.mod h1:onQJUKipvCyFmZ1rIYwFAh1BhPOvftb1uhvSI7krNLc=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
 github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
@@ -59,5 +66,6 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=