Upload file contents using cURL

Question

I have a script with which I POST data to a server using cURL. When I use an HTML form to POST the same data, the POST looks something like this and all is well:

description=Something&name=aName&xml=wholeBiunchOfData&xslt=moreData

The XML and XSLT are large and change; I would prefer to maintain them in external files. However, the following does not work as I expect;

curl --cookie cjar --cookie-jar cjar --location --output NUL ^ --data "name=aName&description=Something" ^ --data "[email protected]" ^ --data "[email protected]" ^ http://someUrl.html

I have tried various combinations of the @ and local files without success. How do I POST the contents of a file?

stimms · Accepted Answer · 2012-12-03 21:20:51Z

Looking at the man page it looks like the --data @file syntax does not permit for a variable name, it must be in the file. http://paulstimesink.com/2005/06/29/http-post-with-curl/. You could also try using a backtick

curl --cookie cjar --cookie-jar cjar --location --output NUL ^ --data "name=aName&description=Something" ^ --data "xml=`cat localFile.xml`" ^ --data "xslt=`cat someFile.xml`" ^ http://someUrl.html

Looks like it's moved to paulstimesink.com/2005/06/29/http-post-with-curl.

mlschechter · Accepted Answer · 2010-07-17 01:48:23Z

I'd recommend trying the following:

curl --cookie cjar --cookie-jar cjar --location --output NUL ^ --data "name=aName&description=Something" ^ --data-urlencode "[email protected]" ^ --data-urlencode "[email protected]" ^ http://someUrl.html

XML (including stylesheets) will need to be URL-encoded before being made part of a URL.

You can also use --trace-ascii - as an additional parameter to dump the input and output to standard out for further debugging, and you can find more information on the main man page.

Hope this helps!

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