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

Timothe Litt via curl-users <[email protected]> Fri, 24 May 2024 14:52:20 -0400

Newsgroups	gmane.comp.web.curl.general
Message-ID	<[email protected]>

What OS?

On most Linux/Unix, use uuidgen.

curl -X POST -H "x-client-request-id: {$(uuidgen)}" -d '{"a": 1}' 
https:/example.com <http://example.com>

If you need it for subsequent requests, use

UUID="{$(uuidgen)}"

curl -X POST -H "x-client-request-id: ${UUID}" -d '{"a": 1}' 
https:/example.com <http://example.com>

and insert $UUID in the cookie/uri/whatever you need for those requests.

Timothe Litt
ACM Distinguished Engineer
--------------------------
This communication may not represent the ACM or my employer's views,
if any, on the matters discussed.

On 24-May-24 13:46, Евгений Морозов via curl-users wrote:
> 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 <http://example.com>
>
> This doesn't work:
> ${uuid}
> {{$uuid}}
>
>
> --
> James Frost
>

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