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From: Kaushal Modi <kaushal.modi@gmail.com>
To: "numbchild@gmail.com" <numbchild@gmail.com>
Cc: emacs-org list <emacs-orgmode@gnu.org>
Subject: Re: How to use noweb reference with argument in other languages?
Date: Tue, 20 Jun 2017 16:57:03 +0000	[thread overview]
Message-ID: <CAFyQvY2O2PbcewuX0QtiqB_5GVD6yxmet0oz5ZNALW-36LJdTg@mail.gmail.com> (raw)
In-Reply-To: <CAL1eYuKvyH1ZuKB-U9c_NOZJ98CkMPCGgC9FDKFy65NnKJrjWA@mail.gmail.com>

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On Mon, Jun 19, 2017 at 7:41 PM numbchild@gmail.com <numbchild@gmail.com>
wrote:

> Which Org-mode version are you using? I'm using the latest Org-mode
> version from source code branch `master`.
>

I am using the same.


> When I use your `:noweb-ref` style like this:
>
> ```org
> * noweb reference with argument
>
> #+BEGIN_SRC sh :var str="" :noweb-ref sh-print-something
> echo "$str"
> #+END_SRC
>
> #+BEGIN_SRC sh :results output :noweb yes
> echo "hello, "
> <<sh-print-something(str="stardiviner")>>
> #+END_SRC
>
> #+RESULTS:
> ```
>
> Emacs reports error:
>
> org-babel-ref-resolve: Reference ‘sh-print-something’ not found in this
> buffer.
>
> Org-mode version: Org mode version 9.0.8 (9.0.8-elpaplus @
> /home/stardiviner/Code/Emacs/org-mode/lisp/)
>

I stand corrected; for the stuff that you are doing, I believe the code
block name needs to go to #+NAME instead of to :noweb-ref.

Below works (Hit C-c C-c in the second source block and approve evaluating
that code block:

* noweb reference with argument

#+NAME: sh-print-something
#+BEGIN_SRC shell :var str=""
echo echo $str
#+END_SRC

#+BEGIN_SRC shell :results output :noweb yes
echo "hello, "
<<sh-print-something(str="stardiviner")>>
#+END_SRC

#+RESULTS:
: hello,
: stardiviner

Changes:

(1) Switched back to #+NAME from :noweb-ref. Looks like if you need to pass
args, the reference name needs to be a code block name because
<<foo(bar=1)>> inserts the *results* of the code block "foo", not "foo" as
it is.
(2) So in the first block, you need to have code that *outputs* "echo $str"
with $str set to your set arg.
(3) Use shell instead of sh.

To stress the point of "<<foo(bar=1)>> inserts the *results*", even the
below would work the same way as we care about the results output by the
first block, not how those results are obtained.

* noweb reference with argument

#+NAME: sh-print-something
#+BEGIN_SRC python :var str="foo" :results output
print('echo "' + str + '"')
#+END_SRC

#+RESULTS: sh-print-something
: echo "foo"

#+BEGIN_SRC shell :results output :noweb yes
echo "hello, "
<<sh-print-something(str="stardiviner")>>
#+END_SRC

#+RESULTS:
: hello,
: stardiviner

-- 

Kaushal Modi

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next prev parent reply	other threads:[~2017-06-20 16:57 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-19  4:57 How to use noweb reference with argument in other languages? numbchild
2017-06-19 10:21 ` Kaushal Modi
2017-06-19 23:40   ` numbchild
2017-06-20 16:57     ` Kaushal Modi [this message]
2017-06-21  2:03       ` numbchild
2017-06-21 16:57         ` [PATCH] noweb documentation update (Was: Re: How to use noweb reference with argument..) Kaushal Modi
2017-06-22  7:05           ` [PATCH] noweb documentation update Nicolas Goaziou
2017-06-22 19:01             ` Kaushal Modi
2017-06-22 19:13               ` Kaushal Modi
2017-06-22 19:58                 ` Nicolas Goaziou
2017-06-22 20:10                   ` Kaushal Modi
2017-06-23  5:56                     ` Nicolas Goaziou
2017-06-23 10:14                       ` Kaushal Modi

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