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Specify to which file you want curl to write all cookies after a completed operation. If this option is used several times, the last one will be used. This only limits the connection phase, once curl has connected this option is of no more use. Maximum time in seconds that you allow the connection to the server to take. If this option is used several times, each occurrence will toggle it on/off. If this option is used and the server sends an unsupported encoding, Curl will report an error. (HTTP) Request a compressed response using one of the algorithms libcurl supports, and return the uncompressed document. If this option is used several times, the last one will override the others. Read up on SSL cipher list details on this URL: The list of ciphers must be using valid ciphers. (SSL) Specifies which ciphers to use in the connection. This is the default and this option is usually pointless, unless you use it to override a previously set option that sets a different authentication method (such as -ntlm, -digest and -negotiate). (HTTP) Tells curl to use HTTP Basic authentication. If this option is used twice, the second one will disable ASCII usage. This option causes data sent to stdout to be in text mode for win32 systems. For FTP, this can also be enforced by using an URL that ends with " type=A".
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Use ASCII transfer when getting an FTP file or LDAP info. To store cookies, use the -c/-cookie-jar option or you could even save the HTTP headers to a file using -D/-dump-header! NOTE that the file specified with -b/-cookie is only used as input. The file format of the file to read cookies from should be plain HTTP headers or the Netscape/Mozilla cookie file format. Using this method also activates the "cookie parser" which will make curl record incoming cookies too, which may be handy if you're using this in combination with the -L/-location option. If no '=' letter is used in the line, it is treated as a filename to use to read previously stored cookie lines from, which should be used in this session if they match. The data should be in the format "NAME1=VALUE1 NAME2=VALUE2". It is supposedly the data previously received from the server in a "Set-Cookie:" line. (HTTP) Pass the data to the HTTP server as a cookie. If this option is used several times, the following occurrences make no difference. This is used instead of setting a specific authentication method, which you can do with -basic, -digest, -ntlm, and -negotiate. This is done by first doing a request and checking the response-headers, thus inducing an extra network round-trip.
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(HTTP) Tells curl to figure out authentication method by itself, and use the most secure one the remote site claims it supports. If this option is set more than once, the last one will be the one that's used. This can also be set with the -H/-header option of course. To encode blanks in the string, surround the string with single quote marks. Some badly done CGIs fail if its not set to "Mozilla/4.0". (HTTP) Specify the User-Agent string to send to the HTTP server. If this option is used twice, the second one will disable append mode again. If the file doesn't exist, it will be created. (FTP) When used in an FTP upload, this will tell curl to append to the target file instead of overwriting it. Of course this is only done on files specified on a single command line and cannot be used between separate curl invokes. They will be fetched in a sequential manner in the specified order.Ĭurl will attempt to re-use connections for multiple file transfers, so that getting many files from the same server will not do multiple connects / handshakes. You can specify any amount of URLs on the command line. No nesting of the sequences is supported at the moment:
STAT TRANSFER MAXIMUM FILE SIZE SERIES
or you can get sequences of alphanumeric series by using as in: You can specify multiple URLs or parts of URLs by writing part sets within braces as in: You'll find a detailed description in RFC 2396. As you will see below, the amount of features will make your head spin!Ĭurl is powered by libcurl for all transfer-related features. The command is designed to work without user interaction.Ĭurl offers a busload of useful tricks like proxy support, user authentication, ftp upload, HTTP post, SSL (https:) connections, cookies, file transfer resume and more. Curl is a tool to transfer data from or to a server, using one of the supported protocols (HTTP, HTTPS, FTP, FTPS, GOPHER, DICT, TELNET, LDAP or FILE).