From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kyle Meyer <kyle@kyleam.com>
Subject: Re: ob-scheme doesn't support :stdin?
Date: Sat, 18 Jan 2020 05:02:50 +0000
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To: Vladimir Nikishkin <lockywolf@gmail.com>, emacs-orgmode@gnu.org

Vladimir Nikishkin <lockywolf@gmail.com> writes:

> Is it true that ob-scheme doesn't support :stdin <blockname>?
>
> I just tried, and doesn't seem to work, although it works with ob-shell.
>
> (This is not a complaint, I just would like to confirm that I
> understand things correctly.)

Yes, that's true as far as I can tell:

  $ git grep :stdin
  lisp/ob-awk.el:;; - :stdin takes an Org data or code block reference, the value of
  lisp/ob-awk.el:  (stdin (let ((stdin (cdr (assq :stdin params))))
  lisp/ob-sed.el:  (stdin (let ((stdin (cdr (assq :stdin params))))
  lisp/ob-shell.el:        (stdin (let ((stdin (cdr (assq :stdin params))))
  testing/examples/ob-awk-test.org:#+begin_src awk  :stdin genseq :results silent
  testing/examples/ob-sed-test.org:  #+BEGIN_SRC sed :stdin ex1

So it seems support for :stdin is limited to awk, sed, and shell.