Re: Conditionally loading ob-sh or ob-shell

[Loris Bennett]

Hi Steve,

Thanks for that - much more compact.  I didn't know about the
`,-construction.

Cheers,

Loris

Steve Downey <address@hidden> writes:

> My workaround for dealing with different org versions on different machines:
>
>   (org-babel-do-load-languages
>    'org-babel-load-languages
>    `((perl       . t)
>      (ruby       . t)
>      ,(if (version< org-version "9.0")
>           '(sh         . t)
>         '(shell      . t))
>      (python     . t)
>      (emacs-lisp . t)
>      (C          . t)
>      (dot        . t)))))
>
> On Tue, Apr 21, 2020 at 9:59 AM Loris Bennett <address@hidden> wrote:
>
>  Loris Bennett <address@hidden> writes:
>
>  > Hi,
>  >
>  > I want to use one init.el across multiple machines with different
>  > versions of Emacs and Org.  Since 'ob-sh.el' changed to 'ob-shell', I
>  > need to do either
>  >
>  >   (org-babel-do-load-languages
>  >    'org-babel-load-languages
>  >    '((org . t)
>  >      (emacs-lisp . t)
>  >      (shell . t)
>  >      (perl . t)
>  >      (R . t)
>  >      (matlab . t)
>  >      (gnuplot . t)
>  >      (dot . t)
>  >      (ditaa . t)
>  >      (plantuml . t)
>  >      (sqlite . t)
>  >      (python . t)
>  >      (latex . t)))
>  > or 
>  >
>  >   (org-babel-do-load-languages
>  >    'org-babel-load-languages
>  >    '((org . t)
>  >      (emacs-lisp . t)
>  >      (sh . t)
>  >      (perl . t)
>  >      (R . t)
>  >      (matlab . t)
>  >      (gnuplot . t)
>  >      (dot . t)
>  >      (ditaa . t)
>  >      (plantuml . t)
>  >      (sqlite . t)
>  >      (python . t)
>  >      (latex . t)))
>  >      
>  > I can obviously use a conditional to test the Emacs or Org version and
>  > execute one block or the other.  However, since the list of languages is
>  > quite long, I would like to avoid repeating it.
>  >
>  > I create init.el from an init.org, so I am open to tangling solutions too.
>  >
>  > Cheers,
>  >
>  > Loris
>
>  I discovered
>
>    append org-babel-load-languages 
>
>  and solved the problem like this:
>
>    (org-babel-do-load-languages                                               
>                    
>     'org-babel-load-languages                                                 
>                    
>     '(                                                                        
>                    
>       (org . t)                                                               
>                    
>       (emacs-lisp . t)                                                        
>                    
>       (perl . t)                                                              
>                    
>       (R . t)                                                                 
>                    
>       (matlab . t)                                                            
>                    
>       (gnuplot . t)                                                           
>                    
>       (dot . t)                                                               
>                    
>       (ditaa . t)                                                             
>                    
>       (plantuml . t)                                                          
>                    
>       (sqlite . t)                                                            
>                    
>       (python . t)                                                            
>                    
>       (latex . t)))
>
>    (if (string= org-version "8.2.10")                                         
>                    
>        (org-babel-do-load-languages                                           
>                    
>         'org-babel-load-languages                                             
>                    
>         (append org-babel-load-languages                                      
>                    
>                 '((sh . t))))                                                 
>                    
>      (org-babel-do-load-languages                                             
>                    
>       'org-babel-load-languages                                               
>                    
>       (append org-babel-load-languages                                        
>                    
>               '((shell . t)))))           
>
>  The version test is a bit rigid, but
>
>    org-version-check
>
>  is deprecated in my newer, primary version of Org and I couldn't work
>  out how to use it anyway 😅
>
>  Cheers,
>
>  Loris
>
>  -- 
>  This signature is currently under construction.
>
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