curl ftp upload file to directory

To upload a file to an FTP server using the curl command in C, you can follow these steps:

  1. Include the necessary header file for using the curl library: c #include <curl/curl.h>

  2. Initialize the curl library: c curl_global_init(CURL_GLOBAL_DEFAULT);

  3. Create a CURL handle: c CURL *curl = curl_easy_init();

  4. Set the FTP upload URL: c curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/upload/file.txt");

  5. Set the FTP username and password: c curl_easy_setopt(curl, CURLOPT_USERPWD, "username:password");

  6. Set the file to be uploaded: c curl_easy_setopt(curl, CURLOPT_READDATA, fopen("file.txt", "rb"));

  7. Set the FTP upload action: c curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);

  8. Perform the FTP upload: c CURLcode res = curl_easy_perform(curl);

  9. Check the result of the upload: c if (res != CURLE_OK) { fprintf(stderr, "Upload failed: %s\n", curl_easy_strerror(res)); }

  10. Clean up and release resources: c curl_easy_cleanup(curl); curl_global_cleanup();

These steps initialize the curl library, create a CURL handle, set the FTP upload URL, username, and password, specify the file to be uploaded, perform the upload, and handle any errors that may occur.

Please note that you need to replace "example.com" with the actual FTP server address, and "username:password" with the appropriate credentials for accessing the FTP server.

I hope this helps! Let me know if you have any further questions.