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Re: [O] using a simple numerical variable in an org text ocument
From: |
Thorsten Jolitz |
Subject: |
Re: [O] using a simple numerical variable in an org text ocument |
Date: |
Thu, 25 Jul 2013 23:55:53 +0200 |
User-agent: |
Gnus/5.130002 (Ma Gnus v0.2) Emacs/24.3 (gnu/linux) |
Matt Price <address@hidden> writes:
> Hi,
>
> I'm making a very simple org-document -- a packing list for a trip.
> It has entries like
>
> - 4 mugs
> - for sleeping bags
> - 4 thermarest pads
>
>
> I'd like to replace the numbers there by a variable -- so if I make a
> list for 4 people, the number displayed will be '4'; but if the list
> is for 2 people, the number displayed will be 2. Better would be if I
> could also do simple arithmetic manipulations (x * 6 dinners for a
> week...). I there a really simple way to do this? if it's not really
> easy, it won't really seem worth it, but if it is really easy, I will
> use it a lot...
Use a table with a named reference, e.g. stored as subtree property. See
[[http://orgmode.org/org.html#The-spreadsheet][Spreadsheets]].
,--------------------------------
| * My Trip
| :PROPERTIES:
| :people: 4
| :END:
|
| | item | factor | total |
| |------------+--------+-------|
| | toothbrush | 1 | 4 |
| | socks | 4 | 16 |
| #+TBLFM: $3=$2*$PROP_people
`--------------------------------
--
cheers,
Thorsten