From mboxrd@z Thu Jan  1 00:00:00 1970
From: Samuel Wales <samologist@gmail.com>
Subject: Re: environmental variables in links in org
Date: Mon, 16 Nov 2015 11:14:46 -0700
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To: Zhihao Ding <zhihao.ding@gmail.com>
Cc: emacs-orgmode@gnu.org

On 11/5/15, Zhihao Ding <zhihao.ding@gmail.com> wrote:
> Is it a good idea to use environment variables in the links referenced in a
> org file?  e.g.

imo yes.

> [[$mydata/myfigure.pdf]]
>
> If so how to achieve this?

you just did!