What is the correct way to do this with pipes.

It's an FAQ! How can I open a pipe both to and from a command?

However, in the specific case of curl, my preferred answer is: don't shell out in the first place but use a module instead. eg: LWP::UserAgent, LWP::Simple, HTTP::Tiny, Furl, Net::Curl::Easy, etc., etc.

In reply to Re: capturing stdout of pipe by hippo
in thread capturing stdout of pipe by brscvs

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