439 lines
11 KiB
Org Mode
439 lines
11 KiB
Org Mode
#+Title: a collection of examples for Babel tests
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#+OPTIONS: ^:nil
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* =:noweb= header argument expansion
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:PROPERTIES:
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:ID: eb1f6498-5bd9-45e0-9c56-50717053e7b7
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:END:
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#+name: noweb-example
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#+begin_src emacs-lisp :results silent :exports code
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(message "expanded1")
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#+end_src
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#+name: noweb-example2
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#+begin_src emacs-lisp :results silent
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(message "expanded2")
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#+end_src
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#+begin_src emacs-lisp :noweb yes :results silent
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;; noweb-1-yes-start
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<<noweb-example>>
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#+end_src
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#+begin_src emacs-lisp :noweb no :results silent
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;; noweb-no-start
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<<noweb-example1>>
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#+end_src
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#+begin_src emacs-lisp :noweb yes :results silent
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;; noweb-2-yes-start
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<<noweb-example2>>
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#+end_src
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#+begin_src emacs-lisp :noweb tangle :results silent
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;; noweb-tangle-start
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<<noweb-example1>>
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<<noweb-example2>>
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#+end_src
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* =:noweb= header argument expansion using :exports results
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:PROPERTIES:
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:ID: 8701beb4-13d9-468c-997a-8e63e8b66f8d
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:END:
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#+name: noweb-example
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#+begin_src emacs-lisp :exports results
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(message "expanded1")
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#+end_src
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#+name: noweb-example2
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#+begin_src emacs-lisp :exports results
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(message "expanded2")
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#+end_src
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#+begin_src emacs-lisp :noweb yes :exports results
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;; noweb-1-yes-start
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<<noweb-example>>
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#+end_src
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#+begin_src emacs-lisp :noweb no :exports code
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;; noweb-no-start
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<<noweb-example1>>
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#+end_src
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#+begin_src emacs-lisp :noweb yes :exports results
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;; noweb-2-yes-start
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<<noweb-example2>>
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#+end_src
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#+begin_src emacs-lisp :noweb tangle :exports code
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<<noweb-example1>>
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<<noweb-example2>>
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#+end_src
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* excessive id links on tangling
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:PROPERTIES:
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:ID: ef06fd7f-012b-4fde-87a2-2ae91504ea7e
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:END:
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** no, don't give me an ID
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#+begin_src emacs-lisp :tangle no
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(message "not to be tangled")
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#+end_src
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** yes, I'd love an ID
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:PROPERTIES:
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:ID: ae7b55ca-9ef2-4d30-bd48-da30e35fd0f3
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:END:
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#+begin_src emacs-lisp :tangle no
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(message "for tangling")
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#+end_src
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* simple named code block
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:PROPERTIES:
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:ID: 0d82b52d-1bb9-4916-816b-2c67c8108dbb
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:END:
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#+name: i-have-a-name
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#+begin_src emacs-lisp
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42
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#+end_src
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#+name:
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: 42
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#+name: i-have-a-name
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: 42
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* Pascal's Triangle -- exports both test
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:PROPERTIES:
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:ID: 92518f2a-a46a-4205-a3ab-bcce1008a4bb
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:END:
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#+name: pascals-triangle
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#+begin_src emacs-lisp :var n=5 :exports both
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(require 'cl)
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(defalias 'my-map (if (org-version-check "24.2.50" "cl" :predicate)
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'cl-map
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'map))
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(defun pascals-triangle (n)
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(if (= n 0)
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(list (list 1))
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(let* ((prev-triangle (pascals-triangle (- n 1)))
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(prev-row (car (reverse prev-triangle))))
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(append prev-triangle
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(list (my-map 'list #'+
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(append prev-row '(0))
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(append '(0) prev-row)))))))
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(pascals-triangle n)
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#+end_src
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* calling code blocks from inside table
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:PROPERTIES:
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:ID: 6d2ff4ce-4489-4e2a-9c65-e3f71f77d975
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:END:
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#+name: take-sqrt
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#+begin_src emacs-lisp :var n=9
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(sqrt n)
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#+end_src
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* executing an lob call line
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:PROPERTIES:
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:results: silent
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:ID: fab7e291-fde6-45fc-bf6e-a485b8bca2f0
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:END:
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#+call: echo(input="testing")
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#+call: echo(input="testing") :results vector
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#+call: echo[:var input="testing"]()
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#+call: echo[:var input="testing"]() :results vector
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#+call: echo("testing")
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#+call: echo("testing") :results vector
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This is an inline call call_echo(input="testing") embedded in prose.
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This is an inline call call_echo(input="testing")[:results vector] embedded in prose.
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#+call: lob-minus(8, 4)
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call_echo("testing")
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call_concat(1,2,3)
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#+name: concat
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#+begin_src emacs-lisp :var a=0 :var b=0 :var c=0
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(format "%S%S%S" a b c)
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#+end_src
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* exporting an lob call line
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:PROPERTIES:
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:ID: 72ddeed3-2d17-4c7f-8192-a575d535d3fc
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:END:
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#+name: double
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#+begin_src emacs-lisp :var it=0
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(* 2 it)
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#+end_src
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The following exports as a normal call line
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#+call: double(it=0)
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Now here is an inline call call_double(it=1) stuck in the middle of
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some prose.
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This one should not be exported =call_double(it=2)= because it is
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quoted.
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Finally this next one should export, even though it starts a line
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call_double(it=3) because sometimes inline blocks fold with a
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paragraph.
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And, a call with raw results call_double(4)[:results raw] should not
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have quoted results.
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The following 2*5=call_double(5) should export even when prefixed by
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an = sign.
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* inline source block
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:PROPERTIES:
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:results: silent
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:ID: 54cb8dc3-298c-4883-a933-029b3c9d4b18
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:END:
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Here is one in the middle src_sh{echo 1} of a line.
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Here is one at the end of a line. src_sh{echo 2}
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src_sh{echo 3} Here is one at the beginning of a line.
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* mixed blocks with exports both
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:PROPERTIES:
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:ID: 5daa4d03-e3ea-46b7-b093-62c1b7632df3
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:END:
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#+name: a-list
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- a
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- b
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- c
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#+begin_src emacs-lisp :exports both
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"code block results"
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#+end_src
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#+begin_src emacs-lisp :var lst=a-list :results list :exports both
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(reverse lst)
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#+end_src
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* using the =:noweb-ref= header argument
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:PROPERTIES:
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:ID: 54d68d4b-1544-4745-85ab-4f03b3cbd8a0
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:noweb-sep: ""
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:END:
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#+begin_src sh :tangle yes :noweb yes :shebang "#!/bin/sh"
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<<fullest-disk>>
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#+end_src
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** query all mounted disks
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#+begin_src sh :noweb-ref fullest-disk
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df
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#+end_src
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** strip the header row
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#+begin_src sh :noweb-ref fullest-disk
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|sed '1d'
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#+end_src
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** sort by the percent full
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#+begin_src sh :noweb-ref fullest-disk
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|awk '{print $5 " " $6}'|sort -n |tail -1
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#+end_src
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** extract the mount point
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#+begin_src sh :noweb-ref fullest-disk
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|awk '{print $2}'
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#+end_src
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* resolving sub-trees as references
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:PROPERTIES:
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:ID: 2409e8ba-7b5f-4678-8888-e48aa02d8cb4
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:results: silent
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:END:
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#+begin_src emacs-lisp :var text=d4faa7b3-072b-4dcf-813c-dd7141c633f3
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(length text)
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#+end_src
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#+begin_src org :noweb yes
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<<simple-subtree>>
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<<d4faa7b3-072b-4dcf-813c-dd7141c633f3>>
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#+end_src
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** simple subtree with custom ID
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:PROPERTIES:
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:CUSTOM_ID: simple-subtree
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:END:
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this is simple
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** simple subtree with global ID
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:PROPERTIES:
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:ID: d4faa7b3-072b-4dcf-813c-dd7141c633f3
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:END:
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has length 14
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* org-babel-get-inline-src-block-matches
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:PROPERTIES:
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:results: silent
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:ID: 0D0983D4-DE33-400A-8A05-A225A567BC74
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:END:
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src_sh{echo "One"} block at start of line
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One spaced block in src_sh{ echo "middle" } of line
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src_sh{echo 2} blocks on the src_emacs-lisp{"same"} line
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Inline block with src_sh[:results silent]{ echo "parameters" }.
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* exporting a code block with a name
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:PROPERTIES:
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:ID: b02ddd8a-eeb8-42ab-8664-8a759e6f43d9
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:END:
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exporting a code block with a name
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#+name: qux
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#+begin_src sh :foo "baz"
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echo bar
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#+end_src
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* noweb no-export and exports both
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:PROPERTIES:
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:ID: 8a820f6c-7980-43db-8a24-0710d33729c9
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:END:
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Weird interaction.
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here is one block
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#+name: noweb-no-export-and-exports-both-1
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#+BEGIN_SRC sh :exports none
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echo 1
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#+END_SRC
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and another
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#+BEGIN_SRC sh :noweb no-export :exports both
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# I am inside the code block
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<<noweb-no-export-and-exports-both-1>>
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#+END_SRC
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* in order evaluation on export
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:PROPERTIES:
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:exports: results
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:ID: 96cc7073-97ec-4556-87cf-1f9bffafd317
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:END:
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First.
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#+name: foo-for-order-of-evaluation
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#+begin_src emacs-lisp :var it=1
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(push it *evaluation-collector*)
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#+end_src
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Second
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#+begin_src emacs-lisp
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(push 2 *evaluation-collector*)
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#+end_src
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Third src_emacs-lisp{(push 3 *evaluation-collector*)}
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Fourth
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#+call: foo-for-order-of-evaluation(4)
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Fifth
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#+begin_src emacs-lisp
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(push 5 *evaluation-collector*)
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#+end_src
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* exporting more than just results from a call line
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:PROPERTIES:
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:ID: bec63a04-491e-4caa-97f5-108f3020365c
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:END:
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Here is a call line with more than just the results exported.
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#+call: double(8)
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* strip noweb references on export
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:PROPERTIES:
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:ID: 8e7bd234-99b2-4b14-8cd6-53945e409775
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:END:
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#+name: strip-export-1
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#+BEGIN_SRC sh :exports none
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i="10"
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#+END_SRC
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#+BEGIN_SRC sh :noweb strip-export :exports code :results silent
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<<strip-export-1>>
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echo "1$i"
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#+END_SRC
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* use case of reading entry properties
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:PROPERTIES:
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:ID: cc5fbc20-bca5-437a-a7b8-2b4d7a03f820
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:END:
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If overriden by caller then use :var from header else use entry property.
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** section
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:PROPERTIES:
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:a: 1
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:c: 3
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:END:
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Note: Just export of a property can be done with a macro: {{{property(a)}}}.
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#+CALL: src_block_location_shell(dummy_name="sect call")
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#+CALL: src_block_location_elisp[:session sect call]()
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- sect inline call_src_block_location_shell(dummy_name="sect inline")
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- sect inline call_src_block_location_elisp[:session sect inline]()
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*** subsection
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:PROPERTIES:
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:b: 2
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:c: 4
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:END:
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#+CALL: src_block_location_shell(dummy_name="sub0 call")
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#+CALL: src_block_location_elisp[:session sub0 call]()
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- sub0 inline call_src_block_location_shell(dummy_name="sub0 inline")
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- sub0 inline call_src_block_location_elisp[:session sub0 inline]()
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#+CALL: src_block_location_shell(dummy_name="sub1 call", c=5, e=6)
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#+CALL: src_block_location_elisp[:session sub1 call](c=5, e=6)
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- sub1 inline call_src_block_location_shell(dummy_name="sub1 inline", c=5, e=6)
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- sub1 inline call_src_block_location_elisp[:session sub1 inline](c=5, e=6)
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**** function definition
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#+NAME: src_block_location_shell
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#+HEADER: :var dummy_name="workaround to get different result blocks"
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#+HEADER: :var a=(or (org-entry-get org-babel-current-src-block-location "a" t) "0")
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#+HEADER: :var b=(or (org-entry-get org-babel-current-src-block-location "b" t) "0")
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#+HEADER: :var c=(or (org-entry-get org-babel-current-src-block-location "c" t) "0")
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#+HEADER: :var d=(or (org-entry-get org-babel-current-src-block-location "d" t) "0")
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#+HEADER: :var e=(or (org-entry-get org-babel-current-src-block-location "e" t) "0")
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#+BEGIN_SRC sh :shebang #!/bin/sh :exports results :results verbatim
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printf "shell a:$a, b:$b, c:$c, d:$d, e:$e"
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#+END_SRC
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#+RESULTS: src_block_location_shell
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#+NAME: src_block_location_elisp
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#+HEADER: :var a='nil
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#+HEADER: :var b='nil
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#+HEADER: :var c='nil
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#+HEADER: :var d='nil
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#+HEADER: :var e='nil
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#+BEGIN_SRC emacs-lisp :exports results
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(setq
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a (or a (string-to-number
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(or (org-entry-get org-babel-current-src-block-location "a" t)
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"0")))
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b (or b (string-to-number
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(or (org-entry-get org-babel-current-src-block-location "b" t)
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"0")))
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c (or c (string-to-number
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(or (org-entry-get org-babel-current-src-block-location "c" t)
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"0")))
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d (or d (string-to-number
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(or (org-entry-get org-babel-current-src-block-location "e" t)
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"0")))
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e (or e (string-to-number
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(or (org-entry-get org-babel-current-src-block-location "d" t)
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"0"))))
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(format "elisp a:%d, b:%d, c:%d, d:%d, e:%d" a b c d e)
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#+END_SRC
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