truncate

src/utils/helper.rs

@@ -86,6 +86,7 @@ pub fn create_or_load_uuid(mut idfile: &str, size: Option<u8>) -> Result<String>
         OpenOptions::new()
             .create(true)
             .write(true)
+            .truncate(true)
             .open(filepath)?
             .write_all(uuid.as_bytes())?;
         return Ok(uuid);