Re: [Boost-users] boost::iostreams output filter doesn't work

Subject: Re: [Boost-users] boost::iostreams output filter doesn't work
From: John Hendrix (jhendrix58_at_[hidden])
Date: 2011-02-11 11:08:02

OK, I found it.  Short answer: for some reason running this code from within
the context of a Qt console app breaks it.

Now let me respond to your questions: I using VC 2008 with boost 1.44.  I am
also compiling from within the Qt environment.

I did not show all of the code because it wouldn't compile unless you were
working with qt.  The real code looked like:

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    // read my_input.txt and save uppercase version of text into
datastore.txt

     // code shown in previous email redacted

    return a.exec();
}

Commenting-out the line with QCoreApplication  and replacing the return
statement with "return 0" made it work.  I don't yet understand the problem
but at least I now know that both the example works and I didn't bungle it.

Many thanks for taking the time to look at my problem.

johnh

On Thu, Feb 10, 2011 at 6:48 PM, eg <egoots_at_[hidden]> wrote:

> On 2/8/2011 1:22 PM, John Hendrix wrote:
>
>>
>> Hi all,
>>
>>
>  the following, as far as I can tell, is exactly the same "Ordinary
>> OutputFilter" example shown at (http://tinyurl.com/45bur3o)
>>
>>
> ...
>
>
>> I am obviously doing not adding the toupper_filter into the filter chain
>> correctly.  Can anyone point out what I am doing wrong?
>>
>
>
> Not sure what you are doing... but your code works for me on Windows with
> VS2008 using Boost 1.45.
>
> My_input.txt contained 1 line as follows:
> ThIs Is A tEsT 123!
>
> After running, datastore.txt contained:
> THIS IS A TEST 123!
>
> What version of boost, what compiler, what input and output do you get?
>
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