Cleanup + add epk1 extractor

src/formats/pfl_upg.rs

@@ -168,7 +168,7 @@ pub fn extract_pfl_upg(mut file: &File, output_folder: &str) -> Result<(), Box<d
 
         let _header_size = u32::from_le_bytes(file_header[68..72].try_into().unwrap());
 
-        println!("File: {}, Size: {}", file_name, real_size);
+        println!("- File: {}, Size: {}", file_name, real_size);
 
         let data = common::read_exact(&mut data_reader, stored_size as usize)?;
 
@@ -180,14 +180,17 @@ pub fn extract_pfl_upg(mut file: &File, output_folder: &str) -> Result<(), Box<d
 
         fs::create_dir_all(&output_folder)?;
         let mut out_file = OpenOptions::new()
-            .append(true)
+            .write(true)
             .create(true)
             .open(output_path)?;
 
         out_file.write_all(&data[..real_size as usize])?;
 
-        println!("- Saved file!");
+        println!("-- Saved file!");
     }
+
+    println!();
+    println!("Extraction finished!");
     
     Ok(())
 }