How to dynamically generate UUID in curl command (like macros) before sending http request?

Евгений Морозов via curl-users <[email protected]>
Newsgroups gmane.comp.web.curl.general
Message-ID <CAP-Czj+2Vi5nViG_2YPxz0+Bv37g8LgV=j9fuXhdKRGsyvRPyA@mail.gmail.com>
I want to send POST http request via curl in Windows command line app.
There is *x-client-request-id* header in request
I want to create curl command that dynamically generate UUID for this header

Something like that:
curl -X POST -H "x-client-request-id: {{UUID}}" -d '{"a": 1}' https:/
example.com

This doesn't work:
${uuid}
{{$uuid}}


--
James Frost

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