From: Eric Schulte <eric.schulte@gmx.com>
To: Christopher Allan Webber <cwebber@dustycloud.org>
Cc: emacs-orgmode@gnu.org
Subject: Re: Why doesn't this calc org-babel code work?
Date: Mon, 28 May 2012 10:35:25 -0600 [thread overview]
Message-ID: <87likcs1j8.fsf@gmx.com> (raw)
In-Reply-To: 878vghmbbz.fsf@grumps.lan
Christopher Allan Webber <cwebber@dustycloud.org> writes:
> I guess what I'm saying is that assignment would be really nice.
> However, I'm now seeing that this would take a lot of work.
>
> What I'd really like to do is something like the following:
>
> # Total BS financial projection, don't read into this at all
> #+BEGIN_SRC calc
> derp_expenses := 1234
> derp_income := 4315
>
> monthly_balance := derp_income - derp_expenses
> monthly_balance =>
> monthly_balance * 12 =>
> #+END_SRC
>
> #+RESULTS:
> : monthly_balance => 3081
> : monthly_balance * 12 => 36972
>
> I guess I could use calc embedded mode, but I haven't figured out how to
> do that yet. ;)
>
Using variable names without underscores will get you closer to the
functionality you are after as in the following.
#+BEGIN_SRC calc :var expenses=1234 :var income=4321
12*(income-expenses)
#+END_SRC
#+RESULTS:
: 37044
However, code blocks are used more like regular stack calc mode as in
the following example.
#+begin_src calc
24
3
'/
#+end_src
#+RESULTS:
: 8
If you'd rather write something looking more like your example, I'd
recommend either using any programming language with nice simple syntax,
e.g.,
#+BEGIN_SRC python :var derp_expenses=1234 :var derp_income=4315
monthly_balance=derp_income - derp_expenses
return monthly_balance*12
#+END_SRC
#+RESULTS:
: 36972
or using calc embedded mode directly.
Best,
>
> - Chris
>
> Christopher Allan Webber <cwebber@dustycloud.org> writes:
>
>> I see now.
>>
>> #+BEGIN_SRC calc :var foo=5
>> foo + 5 =>
>> #+END_SRC
>>
>> #+RESULTS:
>> : 5 + 5 => 10
>>
>> However, this isn't as useful as I'd like. I'd really like to be able
>> to see it say "foo + 5 =>" in the output. That's clearer which line is
>> being referred to...
>>
>> Christopher Allan Webber <cwebber@dustycloud.org> writes:
>>
>>> Hey all...
>>>
>>> I have:
>>>
>>> #+BEGIN_SRC calc
>>> foo := 5
>>> foo + 5 =>
>>> #+END_SRC
>>>
>>> #+RESULTS:
>>> : foo + 5 => foo + 5
>>>
>>> What I'd like, obviously, is for it to result in:
>>>
>>> #+RESULTS:
>>> : foo + 5 => 10
>>>
>>> I guess I really don't understand how calc support works in org-babel.
>>> Could someone enlighten me?
>
--
Eric Schulte
http://cs.unm.edu/~eschulte
prev parent reply other threads:[~2012-05-28 16:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-24 22:51 Why doesn't this calc org-babel code work? Christopher Allan Webber
2012-05-24 22:56 ` Christopher Allan Webber
2012-05-24 23:02 ` Christopher Allan Webber
2012-05-28 16:35 ` Eric Schulte [this message]
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