title: How to pass "Content-Length" value in header using Curl Command
body: <p>How can I pass content-length eg. <code>--header Content-Length:1000</code> in curl command.
  I used it like this in command but it did't work</p>
  
  <pre><code>curl -v -X POST -u "xxx@gmail.com:xxx123" \ 
       --header "Content-Length: 1000" \
       --header "Content-Type: multipart/mixed" \
       --header "X-REQUEST-ID:7fc7d038-4306-4fc5-89c3-7ac8a12a30d0" \
       -F "request={\"bumId\":\"d51f2978-5ce8-4c71-8503-b0ca438741dd\",\"fileType\":\"imageFile\"};type=application/json" \
       -F "file=@D:/file.pdf" \
       "http://localhost:9090/pro/v1/files"
  </code></pre>
  
  <p>This command posts file to a web services developed in Jersey Java</p>