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Date: Sun, 08 Nov 2015 07:27:47 -0800
From: Ray Andrews <rayandrews@eastlink.ca>
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Subject: Re: convolutions
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On 11/07/2015 09:17 AM, Martin Vaeth wrote:
> Bart Schaefer <schaefer@brasslantern.com> wrote:
>> If you really want to replace exactly
>> and only the specific references to color variables, you need
>> something like Zyx's sed expression.
> Or envsubst from gettext.
> In fact, envsubst was exactly written for the purpose of
> *safely* expanding variables (and *only* that).
>
>
Sounds like precisely the thing. Alas, I tried it, and it strips the 
parameters but does not convert them unless each parameter is explicitly 
exported first, which makes the thing a bit cumbersome for general use. 
Is there a work-around?