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Sets this transfer to be an upload.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
CURL 2.5 Yes Yes Yes Yes Yes
MBS( "CURL.SetOptionUpload"; curl; Value )   More


Parameter Description Example value
curl The CURL session handle. $curl
Value Whether to do an upload. 1


Returns "OK" on success.


Sets this transfer to be an upload.
A parameter set to 1 tells the library to prepare for an upload. With the CURL.SetInput functions you can define the upload data. If the protocol is HTTP, uploading means using the PUT request unless you tell curl otherwise.

Using PUT with HTTP 1.1 implies the use of a "Expect: 100-continue" header. You can disable this header with CURL.SetOptionHTTPHeader as usual.

If you use PUT to a HTTP 1.1 server, you can upload data without knowing the size before starting the transfer if you use chunked encoding. You enable this by adding a header like "Transfer-Encoding: chunked" with CURL.SetOptionHTTPHeader. With HTTP 1.0 or without chunked transfer, you must specify the size.

See also CURL.SetOptionPost.

See also UPLOAD option in CURL manual.


Set CURL session to be upload:

MBS( "CURL.SetOptionUpload"; $curl; 1 )

See also

Example Databases

Blog Entries

Created 18th August 2014, last changed 24th February 2016

CURL.SetOptionUpkeepIntervalMS   -   CURL.SetOptionUploadBufferSize

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