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Re: [Discuss-gnuradio] File sink permission error on Windows

From: Marcus Müller
Subject: Re: [Discuss-gnuradio] File sink permission error on Windows
Date: Mon, 7 Aug 2017 10:16:19 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1

Hi Kim,

can you try to select an absolute file name rather then just "new.bin", in a directory that you definitely can generate new files in?

To me, this looks like the reason really is that you're not allowed to create or write to new.bin.

Best regards,


On 08/07/2017 09:31 AM, 김태영 wrote:

Hi all


When I test file sink block on Windows 10 platform, I got permission error. GRC version is

This flowgraph works well on Ubuntu environment.

How can I overcome this issue.


One more issue is the deference before "Stream to tagged stream" and after.

I want to know what this block meaning.




Kim taeyeong



==== Error message ====

Executing: C:\Program Files\GNURadio-3.7\gr-python27\python.exe -u C:\Work\GRC_Work\file_sink.py

Using Volk machine: avx2
new.bin: Permission denied
Traceback (most recent call last):
  File "C:\Work\GRC_Work\file_sink.py", line 82, in <module>
  File "C:\Work\GRC_Work\file_sink.py", line 76, in main
    tb = top_block_cls()
  File "C:\Work\GRC_Work\file_sink.py", line 37, in __init__
    self.blocks_file_sink_0_1 = blocks.file_sink(gr.sizeof_int*1, "new.bin", False)
  File "C:\Program Files\GNURadio-3.7\lib\site-packages\gnuradio\blocks\blocks_swig0.py", line 1016, in make
    return _blocks_swig0.file_sink_make(itemsize, filename, append)
RuntimeError: can't open file

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