Re: [Discuss-gnuradio] Using Popen to start a pipe and pass the input

[Shashank Gaur]

Apologies, I asked on Stack Overflow but posted here as well.

Thanks




On Mon, Jul 29, 2013 at 5:08 PM, Tom Rondeau <address@hidden> wrote:
> On Mon, Jul 29, 2013 at 4:02 AM, Shashank Gaur <address@hidden> wrote:
>> Hello All,
>>
>> I am trying to use popen to open an application under a block.
>>
>> This looks something like that:
>>
>> fp = popen(command, "w"); //doing it in write mode
>>
>> if(!fp){
>> #Handle the error
>> }
>>
>> ......
>>
>> pclose(fp);
>>
>> Now the thing is even if I am trying to track using (fp != NULL) it
>> still keep executing the command over and over. Any ideas on that? May
>> somebody can guide me through right way to use popen?
>>
>> Also to pass the c++ output stream, std::cout will work, right?
>>
>> Thanks
>
>
> Hi Shashank,
>
> I know you are working on GNU Radio for the GSoC, but this question
> isn't related to GNU Radio. You'll be better off asking another forum
> like Stack Overflow.
>
> Tom