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Re: idl readf error [message #65219 is a reply to message #65149]

Sat, 14 February 2009 07:04

Vince Hradil
Messages: 574
Registered: December 1999

Senior Member

On Feb 14, 8:52 am, David Fanning <n...@dfanning.com> wrote:
> Vince Hradil writes:
>> This thread makes me think... Can anyone compare and contrast this
>> approach with the approach I usually use - that is:
>> read each line into a string buf: buf =3D '' $ readf, lun, buf
>> then use strsplit(buf,/extract) to chop up the buf
>> then use fix, float, etc. to get the values.
>
>> I don't usually use format statements for reading, just writing.
>
> Can you spell S-L-O-W? ;-)
>
> Cheers,
>
> David
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

Of course that's all relative. If I have to spend 2 days to figure
out how to read in a file that takes 2 seconds to parse (instead of
the normal 10 seconds) then I don't think it's worth it. Like wise if
I read a file 5 seconds faster as part of a 2 hour simulation run, I
don't think it's worth.

Just sayin'...

I guess what I what I really want to know is whether the accuracy (in
terms of round-off errors, or anything else) is any different in the
two approaches. I'm guessing not.

Thanks,
Vince

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[Message index]

		idl readf error By: rollo.tomasi on Thu, 12 February 2009 11:50
		Re: idl readf error By: David Fanning on Sat, 14 February 2009 07:08
		Re: idl readf error By: rollo.tomasi on Thu, 19 February 2009 10:17
		Re: idl readf error By: Vince Hradil on Sat, 14 February 2009 07:04
		Re: idl readf error By: David Fanning on Thu, 19 February 2009 11:41

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