1.0 version

internal/app/file.go

@@ -0,0 +1,19 @@
+package app
+
+import (
+	"errors"
+	"os"
+	"strings"
+)
+
+func GetFilePath() (string, error) {
+	fp := ""
+
+	for _, v := range os.Args[1:] {
+		if !strings.HasPrefix(v, "-") {
+			fp = v
+			return fp, nil
+		}
+	}
+	return "", errors.New("not enough arguments")
+}