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.TH CURLOPT_DIRLISTONLY 3 "December 31, 2020" "libcurl 7.77.0" "curl_easy_setopt options"

.SH NAME
CURLOPT_DIRLISTONLY \- ask for names only in a directory listing
.SH SYNOPSIS
#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DIRLISTONLY, long listonly);
.SH DESCRIPTION
For FTP and SFTP based URLs a parameter set to 1 tells the library to list the
names of files in a directory, rather than performing a full directory listing
that would normally include file sizes, dates etc.

For POP3 a parameter of 1 tells the library to list the email message or
messages on the POP3 server. This can be used to change the default behavior
of libcurl, when combined with a URL that contains a message ID, to perform a
"scan listing" which can then be used to determine the size of an email.

Note: For FTP this causes a NLST command to be sent to the FTP server.  Beware
that some FTP servers list only files in their response to NLST; they might not
include subdirectories and symbolic links.

Setting this option to 1 also implies a directory listing even if the URL
doesn't end with a slash, which otherwise is necessary.

Do NOT use this option if you also use \fICURLOPT_WILDCARDMATCH(3)\fP as it
will effectively break that feature then.
.SH DEFAULT
0, disabled
.SH PROTOCOLS
FTP, SFTP and POP3
.SH EXAMPLE
.nf
CURL *curl = curl_easy_init();
if(curl) {
  curl_easy_setopt(curl, CURLOPT_URL, "ftp://example.com/dir/");

  /* list only */
  curl_easy_setopt(curl, CURLOPT_DIRLISTONLY, 1L);

  ret = curl_easy_perform(curl);

  curl_easy_cleanup(curl);
}
.fi
.SH AVAILABILITY
This option was known as CURLOPT_FTPLISTONLY up to 7.16.4. POP3 is supported
since 7.21.5.
.SH RETURN VALUE
Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.
.SH "SEE ALSO"
.BR CURLOPT_CUSTOMREQUEST "(3), "
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