forked from mirrors/org-mode
291 lines
6.2 KiB
Org Mode
291 lines
6.2 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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#+source: noweb-example
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#+begin_src emacs-lisp
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(message "expanded")
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#+end_src
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#+begin_src emacs-lisp :noweb yes
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;; noweb-yes-start
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<<noweb-example>>
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;; noweb-yes-end
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#+end_src
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#+begin_src emacs-lisp :noweb no
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;; noweb-no-start
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<<noweb-example>>
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;; noweb-no-end
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#+end_src
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#+begin_src emacs-lisp :noweb tangle
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;; noweb-tangle-start
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<<noweb-example>>
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;; noweb-tangle-end
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#+end_src
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* elisp forms in header arguments
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:PROPERTIES:
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:ID: 22d67284-bf14-4cdc-8319-f4bd876829d7
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:var: prop=(+ 2 2)
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:END:
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#+begin_src emacs-lisp
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prop
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#+end_src
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#+results:
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: 4
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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 variable resolution
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:PROPERTIES:
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:ID: f68821bc-7f49-4389-85b5-914791ee3718
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:END:
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#+source: four
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#+begin_src emacs-lisp
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(list 1 2 3 4)
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#+end_src
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#+begin_src emacs-lisp :var four=four
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(length four)
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#+end_src
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#+results:
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: 4
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* multi-line header arguments
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:PROPERTIES:
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:ID: b77c8857-6c76-4ea9-8a61-ddc2648d96c4
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:END:
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#+headers: :var letters='(a b c d e f g)
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#+begin_src emacs-lisp :var numbers='(1 2 3 4 5 6 7)
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(map 'list #'list numbers letters)
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#+end_src
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#+results:
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| 1 | a |
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| 2 | b |
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| 3 | c |
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| 4 | d |
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| 5 | e |
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| 6 | f |
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| 7 | g |
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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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#+source: 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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#+results:
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: 42
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#+results: i-have-a-name
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: 42
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* Pascal's Triangle -- export 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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#+source: pascals-triangle
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#+begin_src emacs-lisp :var n=5 :exports both
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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 (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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#+source: 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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#+source: 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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#+source: 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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* parsing header arguments
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:PROPERTIES:
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:ID: 7eb0dc6e-1c53-4275-88b3-b22f3113b9c3
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:END:
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#+begin_src example-lang :session :results output :var num=9
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the body
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#+end_src
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* conflicting blocks on export
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:PROPERTIES:
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:ID: 5daa4d03-e3ea-46b7-b093-62c1b7632df3
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:END:
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#+results: 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 :results wrap :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
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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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: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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