How Can I Post Files and JSON Data Together With Curl?

Question

I\'ve been posting a file with this curl command:

curl -i -F file=@./File.xlsm -F name=file -X POST http://example.com/new_file/

Now I want to

Answer 1

From @nbrooks comment, adding an additional header HTTP header works fine as shown below by using several -H or --header flags to your curl command:

curl -H "comment: Submitting a new data set." -H  "current: false" -H "sheet: 1" -H "row: 7" -F file=@./File.xlsm -F name=file http://example.com/new_file/

comment and current can be combined into "metadata" in the request.headers processing part on the flask web server.