improve relative path handling

Author: radarlog

config.go

@@ -4,7 +4,6 @@ import (
 	"fmt"
 	"log"
 	"os"
-	"path/filepath"
 
 	"gopkg.in/yaml.v3"
 )
@@ -67,13 +66,3 @@ func load(file string) (config config) {
 
 	return
 }
-
-func relativePath(p string) string {
-	ex, err := os.Executable()
-	if err != nil {
-		panic(err)
-	}
-	path := filepath.Dir(ex)
-
-	return fmt.Sprintf("%s/%s", path, p)
-}

gotv.go

@@ -3,7 +3,9 @@ package main
 import (
 	"flag"
 	"fmt"
+	"log"
 	"os"
+	"path/filepath"
 )
 
 type GoTv []Channel
@@ -16,8 +18,8 @@ type Channel struct {
 }
 
 func main() {
-	configFile := flag.String("config", relativePath("config.yml"), "config file to read configuration from")
-	m3uFile := flag.String("m3u", relativePath("gotv.m3u"), "m3u file to save a new playlist into")
+	configFile := flag.String("config", relPath("config.yml"), "config file to read configuration from")
+	m3uFile := flag.String("m3u", relPath("gotv.m3u"), "m3u file to save a new playlist into")
 	flag.Parse()
 
 	config := load(*configFile)
@@ -29,3 +31,12 @@ func main() {
 
 	os.Exit(0)
 }
+
+func relPath(p string) string {
+	ex, err := os.Executable()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return filepath.Join(filepath.Dir(ex), p)
+}