Re: Library of Babel confusion

[Lawrence Bottorff <borgauf@gmail.com>]

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I'll try that, Thomas, but this was set up by simply doing the on-board
customize, i.e., it needs to have this corrected. So how do I request this
correction?

On Tue, Apr 10, 2018 at 3:26 PM, Thomas S. Dye <tsd@tsdye.com> wrote:

> Aloha Lawrence,
>
> You probably want (org-babel-lob-ingest &optional FILE)
>
> All the best,
> Tom
>
>
> Lawrence Bottorff writes:
>
> Thanks for the help. However, one mystery still remains: Why is this
>>
>>  '(org-babel-lob-files (quote  ("~/org/worg/library-of-babel.org")))
>>
>> in my init.el's custom-set-variables not getting handled? I always have to
>> do an org-babel-lob-ingest to actually get library-of-babel.org loaded.
>>
>> On Fri, Apr 6, 2018 at 10:38 PM, Berry, Charles <ccberry@ucsd.edu> wrote:
>>
>>
>>>
>>> > On Apr 6, 2018, at 4:59 PM, Thomas S. Dye <tsd@tsdye.com> > wrote:
>>> >
>>>
>>> [Tom's response covering the main issues deleted]
>>>
>>> > hth,
>>> > Tom
>>> >
>>> > Lawrence Bottorff writes:
>>> >
>>> >> I guess I need more information. For example, what is C-c >> C-v v
>>> doing
>>> >> exactly? Then C-x C-e? And  M-x (symbol-function >> 'myelsquare)
>>> doesn't
>>> work.
>>>
>>>
>>> `C-h k' is really your friend here. If you do not know it, try typing it
>>> twice `C-h k C-h k'.
>>>
>>> As for the specific keystrokes mentioned above:
>>>
>>> ,----[ C-h k C-c C-v v ]
>>> | C-c C-v v runs the command org-babel-expand-src-block (found in
>>> | org-mode-map), which is an interactive autoloaded compiled Lisp
>>> | function in ‘ob-core.el’.
>>> |
>>> | It is bound to C-c C-v v, C-c C-v C-v.
>>> |
>>> | (org-babel-expand-src-block &optional ARG INFO PARAMS)
>>> |
>>> | Expand the current source code block.
>>> | Expand according to the source code block’s header
>>> | arguments and pop open the results in a preview buffer.
>>> |
>>> | [back]
>>> `----
>>>
>>> In your case, it shows that the `mtelsquare' src block expands to:
>>>
>>>
>>> ,----
>>> | (let ((x (quote 0)))
>>> | (defun myelsquare (x)
>>> |   (* x x))
>>> | )
>>> `----
>>>
>>>
>>> ,----[ C-h k C-x C-e ]
>>> | C-x C-e runs the command eval-last-sexp (found in global-map), which
>>> | is an interactive compiled Lisp function in ‘elisp-mode.el’.
>>> |
>>> | It is bound to C-x C-e.
>>> |
>>> | (eval-last-sexp EVAL-LAST-SEXP-ARG-INTERNAL)
>>> |
>>> | Evaluate sexp before point; print value in the echo area.
>>> | Interactively, with prefix argument, print output into current buffer.
>>> |
>>> | Normally, this function truncates long output according to the value
>>> | of the variables ‘eval-expression-print-length’ and
>>> | ‘eval-expression-print-level’.  With a prefix argument of zero,
>>> | however, there is no such truncation.  Such a prefix argument
>>> | also causes integers to be printed in several additional formats
>>> | (octal, hexadecimal, and character).
>>> |
>>> | If ‘eval-expression-debug-on-error’ is non-nil, which is the default,
>>> | this command arranges for all errors to enter the debugger.
>>> |
>>> | [back]
>>> `----
>>>
>>> So with point at the end of the preview buffer for myelsquare (which has
>>> one `let' expression it it) it has the same effect as running
>>> `eval-buffer'. viz, the elisp function `myelsquare' is created.
>>>
>>> If you have gotten this far, there is an lisp function called
>>> `myelsquare'
>>> and the `symbol-function' expression will return its value when properly
>>> `eval'ed. I misspoke before. I should have said
>>>
>>>         M-: (symbol-function 'myelsquare) RET
>>>
>>> And that value is `(lambda (x) (* x x))'. Which simply shows you have
>>> defun'ed a function and what it is.
>>>
>>> Once you have an elisp function, the natural way to call it is
>>> src_emacs-lisp{(myelsquare 1.5)}.
>>>
>>> One thing you can do with LOB blocks is use them in header args of src
>>> blocks just as you would use calls to ordinary src blocks.
>>>
>>> HTH,
>>>
>>> Chuck
>>>
>>>
>>>
>>>
>
> --
> Thomas S. Dye
> http://www.tsdye.com
>

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