Using Environment Variables in cURL Command - Unix

Question

My question is very simple. I want to use environment variables in a cURL command sth similar to this:

curl -k -X POST -H \'Content-Type: application/json\' -d \         


        

Answer 1

For less quoting, read from standard input instead.

curl -k -X POST -H 'Content-Type: application/json' -d @- <

-d @foo reads from a file named foo. If you use - as the file name, it reads from standard input. Here, standard input is supplied from a here document, which is treated as a double-quoted string without actually enclosing it in double quotes.