now prints the absolute path

main.go

@@ -9,6 +9,7 @@ import (
 	"os"
 	"os/exec"
 	"path"
+	"path/filepath"
 	"strconv"
 	"strings"
 	"time"
@@ -135,6 +136,15 @@ func getNextWait(config sunsetConfig) (int, int) {
 	return diffHr, diffMin
 }
 
+func currentImage(configPath string, config sunsetConfig) string {
+	index := currentIndex(config)
+	absFile, err := filepath.Abs(path.Join(path.Dir(configPath), config.Files[index].File))
+	if err != nil {
+		log.Panic(err)
+	}
+	return absFile
+}
+
 func block(config sunsetConfig, command string) {
 	for {
 		nextHr, nextMin := getNextWait(config)
@@ -176,9 +186,7 @@ func main() {
 		}
 		block(conf, *blockCommand)
 	} else {
-		index := currentIndex(conf)
-		absoluteImagePath := path.Join(path.Dir(*configFile), conf.Files[index].File)
-		fmt.Printf("%s", absoluteImagePath)
+		fmt.Printf("%s", currentImage(*configFile, conf))
 	}
 
 }