curl --form 'key1=value1' --form 'upload1=@tests_ok\data.txt;type=text/plain' --form 'upload2=@tests_ok\data.html;type=text/html' --form 'upload3=@tests_ok\data.txt;type=text/html' 'http://localhost:8000/multipart-form-data'
curl --header 'Content-Type: multipart/form-data; boundary="boundary"' --data $'--boundary\nContent-Disposition: form-data; name="key1"\n\nvalue1\n--boundary\nContent-Disposition: form-data; name="upload1"; filename="data.txt"\nContent-Type: text/plain\n\nHello World!\n--boundary\nContent-Disposition: form-data; name="upload2"; filename="data.html"\nContent-Type: text/html\n\n<div>Hello <b>World</b>!</div>\n--boundary\nContent-Disposition: form-data; name="upload3"; filename="data.txt"\nContent-Type: text/html\n\nHello World!\n--boundary--\n' 'http://localhost:8000/multipart-form-data'
