# Re: file source with gr-ieee802.11 tx

**URL:** <https://www.ruby-forum.com/t/re-file-source-with-gr-ieee802-11-tx/242833>\
**Category:** GNU Radio\
**Created:** [July 31, 2015, 6:57pm UTC](https://www.ruby-forum.com/t/re-file-source-with-gr-ieee802-11-tx/242833 "2015-07-31T18:57:20Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Sadaf\_N](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/858c86/32.png) [@Sadaf\_N](https://www.ruby-forum.com/u/Sadaf_N)\
**Post date:** [July 31, 2015, 6:57pm UTC](https://www.ruby-forum.com/t/re-file-source-with-gr-ieee802-11-tx/242833/1 "2015-07-31T18:57:20Z")

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> It builds fine, but when I run my GRC script, the output to a file sink  
> (for simplicity I am dumping to a file instead of UDP for now), doesn’t  
> change its length. I did reload blocks in GRC too.

I need to do more testing, but I think I have my bug. I needed to  
decrement the return variable to\_copy.

I’ll report in if I get something more complete working.

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**Author:** ![Jason\_Matusiak](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/edb3f5/32.png) [@Jason\_Matusiak](https://www.ruby-forum.com/u/Jason_Matusiak)\
**Post date:** [July 31, 2015, 7:41pm UTC](https://www.ruby-forum.com/t/re-file-source-with-gr-ieee802-11-tx/242833/2 "2015-07-31T19:41:09Z")

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OK, great.

If you don’t care about WiFi I would recommend to test the OFDM  
transceiver in gr-digital that ships with GNU Radio.

Best,  
Bastian