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URL

  

Put

  

put data to a specified URL

 

Calling Sequence

Parameters

Options

Description

Examples

References

Compatibility

Calling Sequence

Put( url, data, options )

Parameters

url

-

a string specifying the destination URL for the content

data

-

a string, list or an Array of data type integer[1] specifying the data to be sent

Options

• 

cafile=string

  

specify a certificate file to use when authenticating the server. Maple includes a certificate file containing certificates for the major Certificate Authorities.

• 

mode=one of text, binary, or auto

  

Specifies whether the reply data should be treated as a string (mode=text) or as an Array with data type integer[1] (mode=binary). When mode=auto, the data type is determined by relying on the data type provided by the server. The default is auto. This is only supported by the http and https schemes. ftp transfers are always treated as binary.

• 

output=list or one of content, headers, or code

  

a list of one or more of content, headers, and code, or one of the symbols content, headers, or code. This determines what will be returned by Put. The output will be an expression sequence with the corresponding values. The default is content. This option is only valid with http and https schemes.

• 

password=string

  

Specify the password for authentication. This supersedes any password included in url directly.

• 

proxy=string

  

a URL for a proxy server. This should include the protocol, host, and port number (if not default), For example, to connect to an HTTP proxy myproxy on port 3421, use proxy=http://myproxy:3421.

• 

proxypassword=string

  

password to use for authentication against the proxy specified by the proxy option.

• 

proxyuser=string

  

username to use for authentication against the proxy specified by the proxy option.

• 

requestheaders=list(string);: or table:

  

a list of strings and equations of strings that will be added to the http header that is sent as part of the request.

• 

responseheaders=:list(string);:

  

a list of strings specifying header fields to be returned. This only has an effect if headers is specified in the output option. If this option is not given, all received headers will be returned.

• 

timeout=posint

  

the number of seconds to wait before aborting the transfer. The default is infinity (in other words, no timeout).

• 

user=string

  

the user name for authentication. This supersedes any user name included in url directly.

• 

verify=truefalse

  

Specifies whether Maple should authenticate the identity of the server by verifying its SSL certificate against a list of verified Certificate Authorities. The default is true. This option is only valid when using https.

Description

• 

The Put function sends the data specified in data to the URL specified in url.

• 

Put supports three URL schemes: http, https and ftp. Not all options to Put are valid for all URL schemes.

  

For http and https, Post sends the specified data to url using the HTTP PUT method.

  

For ftp, the behavior of Put is identical to Post.

• 

The input formdata can be a string or Array with datatype integer[1], or a list in which each element represents a form variable assignment.

• 

The requestheaders option can be used to specify HTTP header values for the outgoing post data. This can be used to set the Content-Type for the data.

• 

The output option is a list of one or more of content, headers, and code.

  

content is the content returned by the URL. You can also specify content=string where the string is a filename to which the data will be written.

  

headers refers to the http (and https) header received from the server. It is not supported for URLs with the ftp scheme. It is returned as a table of strings.

  

code refers to the http (and https) status code returned by the server. It is not supported for URLs with the ftp scheme. It is returned as an integer.

Examples

status,data,headersURL:-Puthttps://www.ssa.gov/cgi-bin/popularnames.cgi,year=1990&top=20&number=n,timeout=100,output=code,content,headers

typedata,string

true

(1)

data1..6

<HTML>

(2)

typeheaders&comma;table

true

(3)

indicesheaders&comma;nolist

Content-type,Server,Transfer-encoding,Cache-control,Date

(4)

headersContent-type

text/html

(5)

References

  

RFC 2616: Hypertext Transfer Protocol -- HTTP/1.1, W3C.

Compatibility

• 

The URL[Put] command was introduced in Maple 2017.

• 

For more information on Maple 2017 changes, see Updates in Maple 2017.

See Also

URL

URL,Get

URL,Post