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CURLOPT_DIRLISTONLY

Section: curl_easy_setopt options (3)
Updated: May 05, 2017
Index Return to Main Contents

 

NAME

CURLOPT_DIRLISTONLY - ask for names only in a directory listing  

SYNOPSIS

#include <curl/curl.h>

CURLcode curl_easy_setopt(CURL *handle, CURLOPT_DIRLISTONLY, long listonly);  

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 behaviour 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 CURLOPT_WILDCARDMATCH(3) as it will effectively break that feature then.  

DEFAULT

0, disabled  

PROTOCOLS

FTP, SFTP and POP3  

EXAMPLE

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);
}
 

AVAILABILITY

This option was known as CURLOPT_FTPLISTONLY up to 7.16.4. POP3 is supported since 7.21.5.  

RETURN VALUE

Returns CURLE_OK if the option is supported, and CURLE_UNKNOWN_OPTION if not.  

SEE ALSO

CURLOPT_CUSTOMREQUEST(3),


 

Index

NAME
SYNOPSIS
DESCRIPTION
DEFAULT
PROTOCOLS
EXAMPLE
AVAILABILITY
RETURN VALUE
SEE ALSO


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