.\" **************************************************************************
.\" *                                  _   _ ____  _
.\" *  Project                     ___| | | |  _ \| |
.\" *                             / __| | | | |_) | |
.\" *                            | (__| |_| |  _ <| |___
.\" *                             \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
.\" * are also available at https://curl.se/docs/copyright.html.
.\" *
.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
.\" * copies of the Software, and permit persons to whom the Software is
.\" * furnished to do so, under the terms of the COPYING file.
.\" *
.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
.\" * KIND, either express or implied.
.\" *
.\" **************************************************************************
.\"
.TH CURLOPT_APPEND 3 "November 04, 2020" "libcurl 7.78.0" "curl_easy_setopt options"

.SH NAME
CURLOPT_APPEND \- enable appending to the remote file
.SH SYNOPSIS
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_APPEND, long append);
.SH DESCRIPTION
A long parameter set to 1 tells the library to append to the remote file
instead of overwrite it. This is only useful when uploading to an FTP site.
.SH DEFAULT
0 (disabled)
.SH PROTOCOLS
FTP
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {

  curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/dir/to/newfile");
  curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
  curl_easy_setopt(curl, CURLOPT_APPEND, 1L);

  curl_easy_perform(curl);
}
.fi
.SH AVAILABILITY
This option was known as CURLOPT_FTPAPPEND up to 7.16.4
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH "SEE ALSO"
.BR CURLOPT_DIRLISTONLY "(3), " CURLOPT_RESUME_FROM "(3), "
.BR CURLOPT_UPLOAD "(3), "