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name: testing/examples/babel.org 	 # note: path name is non-authoritative(*)

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#+Title: a collection of examples for Babel tests
#+OPTIONS: ^:nil

* =:noweb= header argument expansion
  :PROPERTIES:
  :ID:       eb1f6498-5bd9-45e0-9c56-50717053e7b7
  :END:

#+name: noweb-example
#+begin_src emacs-lisp
  (message "expanded")
#+end_src

#+begin_src emacs-lisp :noweb yes
  ;; noweb-yes-start
  <<noweb-example>>
  ;; noweb-yes-end
#+end_src

#+begin_src emacs-lisp :noweb no
  ;; noweb-no-start
  <<noweb-example>>
  ;; noweb-no-end
#+end_src

#+begin_src emacs-lisp :noweb tangle
  ;; noweb-tangle-start
  <<noweb-example>>
  ;; noweb-tangle-end
#+end_src

* excessive id links on tangling
  :PROPERTIES:
  :ID:       ef06fd7f-012b-4fde-87a2-2ae91504ea7e
  :END:

** no, don't give me an ID
#+begin_src emacs-lisp :tangle no
  (message "not to be tangled")
#+end_src

** yes, I'd love an ID
   :PROPERTIES:
   :ID:       ae7b55ca-9ef2-4d30-bd48-da30e35fd0f3
   :END:
#+begin_src emacs-lisp :tangle no
  (message "for tangling")
#+end_src
* simple named code block
  :PROPERTIES:
  :ID:       0d82b52d-1bb9-4916-816b-2c67c8108dbb
  :END:

#+name: i-have-a-name
#+begin_src emacs-lisp
  42
#+end_src

#+name:
: 42

#+name: i-have-a-name
: 42

* Pascal's Triangle -- export test
  :PROPERTIES:
  :ID:       92518f2a-a46a-4205-a3ab-bcce1008a4bb
  :END:

#+name: pascals-triangle
#+begin_src emacs-lisp :var n=5 :exports both
  (defun pascals-triangle (n)
    (if (= n 0)
        (list (list 1))
      (let* ((prev-triangle (pascals-triangle (- n 1)))
             (prev-row (car (reverse prev-triangle))))
        (append prev-triangle
                (list (map 'list #'+
                           (append prev-row '(0))
                           (append '(0) prev-row)))))))

  (pascals-triangle n)
#+end_src

* calling code blocks from inside table
  :PROPERTIES:
  :ID:       6d2ff4ce-4489-4e2a-9c65-e3f71f77d975
  :END:

#+name: take-sqrt
#+begin_src emacs-lisp :var n=9
  (sqrt n)
#+end_src

* executing an lob call line
  :PROPERTIES:
  :results:  silent
  :ID:       fab7e291-fde6-45fc-bf6e-a485b8bca2f0
  :END:

#+call: echo(input="testing")
#+call: echo(input="testing") :results vector
#+call: echo[:var input="testing"]()
#+call: echo[:var input="testing"]() :results vector
#+call: echo("testing")
#+call: echo("testing") :results vector
This is an inline call call_echo(input="testing") embedded in prose.
This is an inline call call_echo(input="testing")[:results vector] embedded in prose.
#+call: lob-minus(8, 4)
call_echo("testing")
call_concat(1,2,3)

#+name: concat
#+begin_src emacs-lisp :var a=0 :var b=0 :var c=0
  (format "%S%S%S" a b c)
#+end_src

* exporting an lob call line
  :PROPERTIES:
  :ID:       72ddeed3-2d17-4c7f-8192-a575d535d3fc
  :END:

#+name: double
#+begin_src emacs-lisp :var it=0
  (* 2 it)
#+end_src

The following exports as a normal call line
#+call: double(it=0)

Now here is an inline call call_double(it=1) stuck in the middle of
some prose.

This one should not be exported =call_double(it=2)= because it is
quoted.

Finally this next one should export, even though it starts a line
call_double(it=3) because sometimes inline blocks fold with a
paragraph.

And, a call with raw results call_double(4)[:results raw] should not
have quoted results.

The following 2*5=call_double(5) should export even when prefixed by
an = sign.

* inline source block
  :PROPERTIES:
  :results:  silent
  :ID:       54cb8dc3-298c-4883-a933-029b3c9d4b18
  :END:
Here is one in the middle src_sh{echo 1} of a line.
Here is one at the end of a line. src_sh{echo 2}
src_sh{echo 3} Here is one at the beginning of a line.

* conflicting blocks on export
  :PROPERTIES:
  :ID:       5daa4d03-e3ea-46b7-b093-62c1b7632df3
  :END:
#+name: a-list
- a
- b
- c

#+begin_src emacs-lisp :results wrap :exports both
    "code block results"
#+end_src
#+begin_src emacs-lisp :var lst=a-list :results list
  (reverse lst)
#+end_src
* using the =:noweb-ref= header argument
  :PROPERTIES:
  :ID:       54d68d4b-1544-4745-85ab-4f03b3cbd8a0
  :END:

#+begin_src sh :tangle yes :noweb yes :shebang #!/bin/sh
  <<fullest-disk>>
#+end_src

** query all mounted disks
#+begin_src sh :noweb-ref fullest-disk
  df
#+end_src

** strip the header row
#+begin_src sh :noweb-ref fullest-disk
  |sed '1d'
#+end_src

** sort by the percent full
#+begin_src sh :noweb-ref fullest-disk
  |awk '{print $5 " " $6}'|sort -n |tail -1
#+end_src

** extract the mount point
#+begin_src sh :noweb-ref fullest-disk
  |awk '{print $2}'
#+end_src
* resolving sub-trees as references
  :PROPERTIES:
  :ID:       2409e8ba-7b5f-4678-8888-e48aa02d8cb4
  :results:  silent
  :END:

#+begin_src emacs-lisp :var text=d4faa7b3-072b-4dcf-813c-dd7141c633f3
  (length text)
#+end_src

#+begin_src org :noweb yes
  <<simple-subtree>>
  <<d4faa7b3-072b-4dcf-813c-dd7141c633f3>>
#+end_src

** simple subtree with custom ID
   :PROPERTIES:
   :CUSTOM_ID: simple-subtree
   :END:
this is simple

** simple subtree with global ID
   :PROPERTIES:
   :ID:       d4faa7b3-072b-4dcf-813c-dd7141c633f3
   :END:
has length 14

* org-babel-get-inline-src-block-matches
  :PROPERTIES:  
  :results:  silent
  :ID:       0D0983D4-DE33-400A-8A05-A225A567BC74
  :END:
src_sh{echo "One"} block at start of line
 One spaced block in  src_sh{ echo "middle" } of line 
src_sh{echo 2} blocks on the src_emacs-lisp{"same"} line
 Inline block with src_sh[:results silent]{ echo "parameters" }.

debug log:

solving ba7c3e3 ...
found ba7c3e3 in https://git.savannah.gnu.org/cgit/emacs/org-mode.git

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