From mboxrd@z Thu Jan  1 00:00:00 1970
From: stardiviner <numbchild@gmail.com>
Subject: [SOLVED] Re: babel header argument :var is not expanded when
 tangling
Date: Thu, 28 Dec 2017 21:43:56 +0800
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	<emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org>
To: Grant Rettke <gcr@wisdomandwonder.com>
Cc: Org-mode <emacs-orgmode@gnu.org>

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    tangles to

    (let ((x (quote "hi")))
    (message x))


This is what I want. Problem solved.

On 12/28/2017 09:20 AM, Grant Rettke wrote:
> They work differently. Try this example:
>
> #+BEGIN_SRC emacs-lisp :var x="hi"
> (message x)
> #+END_SRC
>
> tangles to
>
> (let ((x (quote "hi")))
> (message x))
>
> but this
>
> #+NAME: x
> #+BEGIN_SRC emacs-lisp
> "hi"
> #+END_SRC
>
> #+BEGIN_SRC emacs-lisp
> (message «x»)
> #+END_SRC
>
> tangles to this
>
> (message "hi"
>
>
> Sincerely,
>
> Grant Rettke
>
> On Mon, Dec 25, 2017 at 6:45 AM, numbchild@gmail.com 
> <mailto:numbchild@gmail.com> <numbchild@gmail.com 
> <mailto:numbchild@gmail.com>> wrote:
>
>
>     I see. I will use noweb style for now.
>     But should tangle expand :var variables when tangling? I think
>     this is the correct behaviour.
>
>     [stardiviner]           <Hack this world!>      GPG key ID: 47C32433
>     IRC(freeenode): stardiviner Twitter:  @numbchild
>     Key fingerprint = 9BAA 92BC CDDD B9EF 3B36  CB99 B8C4 B8E5 47C3 2433
>     Blog: http://stardiviner.github.io/
>
>     On Sun, Dec 24, 2017 at 11:40 PM, Grant Rettke
>     <gcr@wisdomandwonder.com <mailto:gcr@wisdomandwonder.com>> wrote:
>
>         > Here is a quick test:
>         >
>         > * Test tangle will auto expand and substitute :var
>         >
>         > #+begin_src js :tangle kk.js
>         > console.log("hello, world!");
>         > #+end_src
>         >
>         > #+begin_src js :var name="chris" :tangle require-kk.js
>         > // require("kk.js");
>         > console.log("Hi, ", name);
>         > #+end_src
>         >
>         > #+RESULTS:
>         > : Hi,  chris
>         >
>         > #+NAME: check whether tangle expand and substitute :var
>         > #+begin_src shell
>         > cat require-kk.js
>         > #+end_src
>         >
>         > #+RESULTS: check whether tangle expand and substitute :var
>         > : var name="chris";
>         > : console.log("Hi, ", name);
>         >
>         > The upper result should be: ~console.log("Hi, ", "chris");~.
>
>         Here are your two source blocks. They each do literate
>         programming,
>         one with Variable style and the other with Noweb style. When you
>         evaluate them you get an identical result. When you tangle
>         them you
>         get two different pieces of code, that generate the same
>         result. You
>         can peek at what the tangled code will look like by calling
>         org-babel-expand-src-block inside the source block. That is how it
>         will look in the tangled file. I think that want Noweb style.
>
>         When I use the Variable approach like this
>
>         #+begin_src js :var name="chris" :tangle kk.js
>         console.log("Hi, ", name);
>         #+end_src
>
>         I get this in the tangled output file
>
>         var name="chris";
>         console.log("Hi, ", name);
>
>         When I use the the Noweb approach like this
>
>         #+NAME: name
>         #+BEGIN_SRC emacs-lisp
>         chris
>         #+END_SRC
>
>         #+NAME:
>         org_gcr_2017-12-23_mara_3D887FDD-163D-4BE1-80E8-464BF29DABEA
>         #+BEGIN_SRC js :tangle noweb-kk.js :comments no
>         console.log("Hi, ", "«name»");
>         #+END_SRC
>
>         I get this in the tangled  output file
>
>         console.log("Hi, ", "chris");
>
>         WDYT?
>
>
>


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    <blockquote>
      <div>tangles to </div>
      <div><br>
      </div>
      <div>
        <div>(let ((x (quote "hi")))</div>
        <div>(message x))</div>
      </div>
    </blockquote>
    <br>
    This is what I want. Problem solved.<br>
    <br>
    <div class="moz-cite-prefix">On 12/28/2017 09:20 AM, Grant Rettke
      wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAAjq1mdhCMepWvAPckgObDmOj3WjFmL=czpTf=5ORpOLkXdNZw@mail.gmail.com">
      <div dir="ltr">They work differently. Try this example:
        <div><br>
        </div>
        <div>
          <div>#+BEGIN_SRC emacs-lisp :var x="hi"</div>
          <div>(message x)</div>
          <div>#+END_SRC</div>
        </div>
        <div><br>
        </div>
        <div>tangles to </div>
        <div><br>
        </div>
        <div>
          <div>(let ((x (quote "hi")))</div>
          <div>(message x))</div>
        </div>
        <div><br>
        </div>
        <div>but this</div>
        <div><br>
        </div>
        <div>
          <div>#+NAME: x</div>
          <div>#+BEGIN_SRC emacs-lisp</div>
          <div>"hi"</div>
          <div>#+END_SRC</div>
          <div><br>
          </div>
          <div>#+BEGIN_SRC emacs-lisp<br>
          </div>
          <div>(message «x»)</div>
          <div>#+END_SRC</div>
        </div>
        <div><br>
        </div>
        <div>tangles to this</div>
        <div><br>
        </div>
        <div>
          <div>(message "hi"</div>
        </div>
        <div><br>
        </div>
      </div>
      <div class="gmail_extra"><br clear="all">
        <div>
          <div class="gmail_signature" data-smartmail="gmail_signature">Sincerely,<br>
            <br>
            Grant Rettke</div>
        </div>
        <br>
        <div class="gmail_quote">On Mon, Dec 25, 2017 at 6:45 AM, <a
            href="mailto:numbchild@gmail.com" moz-do-not-send="true">numbchild@gmail.com</a>
          <span dir="ltr">&lt;<a href="mailto:numbchild@gmail.com"
              target="_blank" moz-do-not-send="true">numbchild@gmail.com</a>&gt;</span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div dir="ltr">
              <div class="gmail_default" style="font-family:trebuchet
                ms,sans-serif"><br>
                I see. I will use noweb style for now.<br>
                But should tangle expand :var variables when tangling? I
                think this is the correct behaviour.
              </div>
            </div>
            <div class="gmail_extra"><br clear="all">
              <div>
                <div class="m_4525432728736325782gmail_signature"
                  data-smartmail="gmail_signature">
                  <div dir="ltr">
                    <div>
                      <div dir="ltr">[stardiviner]           &lt;Hack
                        this world!&gt;      GPG key ID: 47C32433<br>
                        IRC(freeenode): stardiviner                    
                        Twitter:  @numbchild<br>
                        Key fingerprint = 9BAA 92BC CDDD B9EF 3B36  CB99
                        B8C4 B8E5 47C3 2433<br>
                        Blog: <a href="http://stardiviner.github.io/"
                          target="_blank" moz-do-not-send="true">http://stardiviner.github.io/</a><br>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
              <br>
              <div class="gmail_quote">On Sun, Dec 24, 2017 at 11:40 PM,
                Grant Rettke <span dir="ltr">&lt;<a
                    href="mailto:gcr@wisdomandwonder.com"
                    target="_blank" moz-do-not-send="true">gcr@wisdomandwonder.com</a>&gt;</span>
                wrote:<br>
                <blockquote class="gmail_quote" style="margin:0 0 0
                  .8ex;border-left:1px #ccc solid;padding-left:1ex"><span>&gt;
                    Here is a quick test:<br>
                    &gt;<br>
                    &gt; * Test tangle will auto expand and substitute
                    :var<br>
                    &gt;<br>
                    &gt; #+begin_src js :tangle kk.js<br>
                    &gt; console.log("hello, world!");<br>
                    &gt; #+end_src<br>
                    &gt;<br>
                    &gt; #+begin_src js :var name="chris" :tangle
                    require-kk.js<br>
                    &gt; // require("kk.js");<br>
                    &gt; console.log("Hi, ", name);<br>
                    &gt; #+end_src<br>
                    &gt;<br>
                    &gt; #+RESULTS:<br>
                    &gt; : Hi,  chris<br>
                    &gt;<br>
                    &gt; #+NAME: check whether tangle expand and
                    substitute :var<br>
                    &gt; #+begin_src shell<br>
                    &gt; cat require-kk.js<br>
                    &gt; #+end_src<br>
                    &gt;<br>
                    &gt; #+RESULTS: check whether tangle expand and
                    substitute :var<br>
                    &gt; : var name="chris";<br>
                    &gt; : console.log("Hi, ", name);<br>
                    &gt;<br>
                    &gt; The upper result should be: ~console.log("Hi,
                    ", "chris");~.<br>
                    <br>
                  </span>Here are your two source blocks. They each do
                  literate programming,<br>
                  one with Variable style and the other with Noweb
                  style. When you<br>
                  evaluate them you get an identical result. When you
                  tangle them you<br>
                  get two different pieces of code, that generate the
                  same result. You<br>
                  can peek at what the tangled code will look like by
                  calling<br>
                  org-babel-expand-src-block inside the source block.
                  That is how it<br>
                  will look in the tangled file. I think that want Noweb
                  style.<br>
                  <br>
                  When I use the Variable approach like this<br>
                  <br>
                  #+begin_src js :var name="chris" :tangle kk.js<br>
                  <span>console.log("Hi, ", name);<br>
                    #+end_src<br>
                    <br>
                  </span>I get this in the tangled output file<br>
                  <span><br>
                    var name="chris";<br>
                    console.log("Hi, ", name);<br>
                    <br>
                  </span>When I use the the Noweb approach like this<br>
                  <br>
                  #+NAME: name<br>
                  #+BEGIN_SRC emacs-lisp<br>
                  chris<br>
                  #+END_SRC<br>
                  <br>
                  #+NAME: org_gcr_2017-12-23_mara_3D887F<wbr>DD-163D-4BE1-80E8-464BF29DABEA<br>
                  #+BEGIN_SRC js :tangle noweb-kk.js :comments no<br>
                  console.log("Hi, ", "«name»");<br>
                  #+END_SRC<br>
                  <br>
                  I get this in the tangled  output file<br>
                  <br>
                  console.log("Hi, ", "chris");<br>
                  <br>
                  WDYT?<br>
                </blockquote>
              </div>
              <br>
            </div>
          </blockquote>
        </div>
        <br>
      </div>
    </blockquote>
    <br>
  </body>
</html>

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