Re: Perl WWW::Curl::Easy equivalent of PHP's CURLOPT_RETURNTRANSFER

Daniel Stenberg wrote:
> On Thu, 19 Nov 2009, [email protected] wrote:
> 
>> Hello, I couldn't find a Perl mailing list, so excuse me for asking here.
> 
> CURLOPT_RETURNTRANSFER was invented by the PHP binding author and is 
> basically just a shortcut for appending all received data into a memory 
> buffer.
> 
> With the C API and basically all existing bindings as well (including 
> the PHP one) you can use a write callback to append all data to a single 
> buffer.
> 
 From the tutorial at http://curl.haxx.se/libcurl/c/libcurl-tutorial.html
I guess
size_t write_data(void *buffer, size_t size, size_t nmemb, void *userp);
curl_easy_setopt(easyhandle, CURLOPT_WRITEFUNCTION, write_data);

which in Perl would probably translate to
sub write_data($$$$) { ... }
$curl->setopt(CURLOPT_WRITEFUNCTION, \&write_data);

Can you please tell me how to use that? I know for sure that the 
resource that I POST to would only return one line of text as its 
response (0 or 1). How can I check for that? WWW::Curl seems to be a 
thin Perl wrapper around a .so library, so I don't have the source code 
to look at.
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