Mark,

I've seen lots of people use it, probably because it fits what people expect to 
see in an inline command more than the stdin redirection.  I think there are 
even some examples in "Rendering with Radiance" using it, so you're in good 
company...

Cheers,
-Greg

> From: Mark Stock <mst...@umich.edu>
> Date: June 28, 2013 7:58:43 AM PDT
> 
> Greg, Randolph,
> 
> I admit that my use of "cat" is simply habit---I saw it once (probably over 
> 15 years ago) and never let go of it. I am actually not as savvy with Unix as 
> I am on TV.
> 
> By all means make the benchmark as portable as you can and send me the 
> changes. I will incorporate them as soon as I can.
> 
> Mark
> 
> 
> On Thu, 27 Jun 2013, Gregory J. Ward wrote:
> 
>> Side note on the use of "!cat"  I often see things like this:
>> 
>> !cat input1.rad input2.rad | xform -ry 20
>> 
>> Which is completely silly.  Why not just use:
>> 
>> !xform -ry 20 input1.rad input2.rad
>> 
>> Even if you are going to a program that expects input on stdin, you can 
>> redirect it instead:
>> 
>> !fussy_program < input | second_program etc...
>> 
>> I've seen almost no one use cat for a reason in a Radiance file.  (No 
>> offense Mark, as I haven't even looked at yours!)
>> 
>> Cheers,
>> -Greg
>> 
>>> From: "Randolph M. Fritz" <randolph...@panix.com>
>>> Date: June 27, 2013 5:04:11 PM PDT
>>> 
>>> Randolph M. Fritz <randolph+LD@...> writes:
>>> 
>>>> 
>>>> Has anyone got this going?
>>>> 
>>>> (Yes! I have managed to get it built and installed. No, I have no idea
>>>> if it is actually working. More, later, when I've tested the thing.)
>>>> 
>>> 
>>> I am pleased to be able to say that I have been able to get the simulation,
>>> though not the timing part, of this benchmark running.  There is no "time"
>>> command in the native Windows environment, and I don't yet know how to use
>>> similar commands in the Windows Power Shell.  Looking hopeful, though of
>>> course I have not yet seen the output.
>>> 
>>> Mark Stock, if you're reading, would you like my cross-platform changes to
>>> the .rad files?  Windows, of course, does not have a "cat" command, which
>>> means that "!cat" has to be replaced with "!xform".
>>> 
>>> Randolph
>> 
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> 
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