Let Org-mode babel file result support relative link type by using org-link-file-path-type

Let Org-mode babel file result support relative link type by using org-link-file-path-type

[numbchild]

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Let Org-mode babel file result support relative (adaptive) link type by
using `org-link-file-path-type`.

This also can solve static site generator extensions (like `ob-blog.el`
etc) image link path issue.

Also better if user changed parent directory name, those links will have to
updated too. But if `adaptive` `org-link-file-path-type` will solve this
problem.

So please let Org-mode babel header arguments `:results file :file
"filename.png"` use `org-link-file-path-type` variable.

[stardiviner]           <Hack this world!>      GPG key ID: 47C32433
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Re: Let Org-mode babel file result support relative link type by using org-link-file-path-type

[Nicolas Goaziou]

Hello,

"numbchild@gmail.com" <numbchild@gmail.com> writes:

> Let Org-mode babel file result support relative (adaptive) link type by
> using `org-link-file-path-type`.
>
> This also can solve static site generator extensions (like `ob-blog.el`
> etc) image link path issue.
>
> Also better if user changed parent directory name, those links will have to
> updated too. But if `adaptive` `org-link-file-path-type` will solve this
> problem.
>
> So please let Org-mode babel header arguments `:results file :file
> "filename.png"` use `org-link-file-path-type` variable.

It sounds interesting. Could you be more specific about the
specifications of your suggestion.

For example, what happens when :output-dir is set, or when :file already
provides some directory part? What part takes precedence over the other?

Better, could you show some examples, or some tests?

Regards,

-- 
Nicolas Goaziou

Re: Let Org-mode babel file result support relative link type by using org-link-file-path-type

[numbchild]

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* Does Org-mode `:output-dir` header-argument? Or is `:dir`?

* An example

I can make it (`:results file :file "FILENAME"`) work in `ob-python` like
this:

```org
#+BEGIN_SRC python :var fname="QR_I_Love_YOU.png" :dir "data/images"
:results file
import qrcode

img = qrcode.make("I Love YOU")
img.save(fname)
return fname
#+END_SRC

#+RESULTS:
[[file:/home/stardiviner/Org/Wiki/Computer
Technology/Programming/Programming
Languages/Python/Data/Packages/data/images/QR_I_Love_YOU.png]]
```

* More specific suggestion:

Make use of org-mode variable `org-link-file-path-type`.
When user generate a result with link (like:

```org
#+RESULTS:
[[file:/home/stardiviner/Org/Wiki/Computer
Technology/Programming/Programming
Languages/Python/Data/Packages/data/images/QR_I_Love_YOU.png]]
```

Org-mode babel always use relative file path for link, instead of absolute
file path like upper example.
For example, if current path is `/home/stardiviner/Org/Wiki/Computer
Technology/Programming/Programming Languages/Python/Data/Packages/`, then
the relative file path link should be:

```org
#+RESULTS:
[[file:data/images/QR_I_Love_YOU.png]]
```

* About what one preceduce over the other problem

The header argument `:dir "data/images"` is used to specify my generated
image's destination directory.
My suggestion is want a the result link use `org-link-file-path-type`. So
the header argument `:dir` is not about the result link. Just it will be
used. Like upper example.


[stardiviner]           <Hack this world!>      GPG key ID: 47C32433
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Blog: http://stardiviner.github.io/

On Sun, Mar 12, 2017 at 9:14 PM, Nicolas Goaziou <mail@nicolasgoaziou.fr>
wrote:

> Hello,
>
> "numbchild@gmail.com" <numbchild@gmail.com> writes:
>
> > Let Org-mode babel file result support relative (adaptive) link type by
> > using `org-link-file-path-type`.
> >
> > This also can solve static site generator extensions (like `ob-blog.el`
> > etc) image link path issue.
> >
> > Also better if user changed parent directory name, those links will have
> to
> > updated too. But if `adaptive` `org-link-file-path-type` will solve this
> > problem.
> >
> > So please let Org-mode babel header arguments `:results file :file
> > "filename.png"` use `org-link-file-path-type` variable.
>
> It sounds interesting. Could you be more specific about the
> specifications of your suggestion.
>
> For example, what happens when :output-dir is set, or when :file already
> provides some directory part? What part takes precedence over the other?
>
> Better, could you show some examples, or some tests?
>
> Regards,
>
> --
> Nicolas Goaziou
>

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