> -----Original Message-----
> From: curl-library-bounces_at_cool.haxx.se
> [mailto:curl-library-bounces_at_cool.haxx.se] On Behalf Of
> Daniel Stenberg
> Sent: Wednesday, November 11, 2009 3:10 AM
> To: libcurl development
> Subject: Re: response to quoted pwd command in libcurl
>
> On Tue, 10 Nov 2009, Xu, Qiang (FXSGSC) wrote:
>
> > The command seems to be successful, but I can only see the
> > destination directory's content listing. How can I retrieve the
> > result of the quoted command "pwd", both by curl command
> > and by libcurl?
>
> It is sent as a header, so use the header callback for that.

I've written a small program to do the test. Here is the code:
===================================================
#include <stdio.h>
#include <curl/curl.h>
#include <time.h>

int main(int argc, char *argv[])
{
  CURLcode ret;
  CURL *hnd = curl_easy_init();
  FILE *fDownload = NULL;
  FILE *fHeader = NULL;
  struct curl_slist *headers = NULL;

  if ((fDownload = fopen("./downloadFile", "w")) == NULL)
  {
          printf("can't open output file");
          return -1;
  }

  if ((fHeader = fopen("./headerFile", "w")) == NULL)
  {
          printf("can't open output file");
          return -1;
  }

  headers = curl_slist_append(headers, "pwd");
  curl_easy_setopt(hnd, CURLOPT_QUOTE, headers);
  curl_easy_setopt(hnd, CURLOPT_WRITEHEADER, fHeader);
  curl_easy_setopt(hnd, CURLOPT_WRITEDATA, fDownload);
  curl_easy_setopt(hnd, CURLOPT_HEADER, 1);

  curl_easy_setopt(hnd, CURLOPT_URL, "sftp://13.198.98.190/~/scan/");
  curl_easy_setopt(hnd, CURLOPT_USERPWD, "qxu:fair123");
  curl_easy_setopt(hnd, CURLOPT_VERBOSE, 1);

  ret = curl_easy_perform(hnd);

  curl_slist_free_all(headers);
  curl_easy_cleanup(hnd);
  return (int)ret;
}
===================================================
To my dismay, the feedback to the quoted command "pwd" is not written into "./headerFile", while the directory's content is listed in "./downloadFile". What shall I do to make the feedback go into the output file?

Looking forward to help,
Xu Qiang
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Received on 2009-11-12