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Re: reading in a long line of data [message #60256 is a reply to message #60255]

Fri, 09 May 2008 07:37

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Spon writes:

> Surely, this is equivalent to (1800720 * 4) bytes, or (1800720 * 4 *
> 8) bits, or (1800720 * 13) ASCII chars, and therefore massively bigger
> than the buffer. Yet IDL has no problem doing this. What am I missing?
> Does the buffer only come into play with ReadF?

Apparently so.

> How come?

You've got me. Maybe Karl or someone else from ITTVIS can
shed some light on this. To be fair, it is usually some kind
of programming error that causes this problem to surface. But
I would like to understand it, since it comes up from time to
time.

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.")

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[Message index]

		Re: reading in a long line of data By: Spon on Sun, 11 May 2008 01:14
		Re: reading in a long line of data By: Spon on Fri, 09 May 2008 07:42
		Re: reading in a long line of data By: David Fanning on Fri, 09 May 2008 07:37
		Re: reading in a long line of data By: Spon on Fri, 09 May 2008 07:31
		Re: reading in a long line of data By: David Fanning on Fri, 09 May 2008 07:26
		Re: reading in a long line of data By: edward.s.meinel@aero. on Fri, 09 May 2008 07:03
		Re: reading in a long line of data By: David Fanning on Fri, 09 May 2008 06:28
		Re: reading in a long line of data By: Spon on Fri, 09 May 2008 04:15
		Re: reading in a long line of data By: David Fanning on Thu, 08 May 2008 10:24
		Re: reading in a long line of data By: teich on Thu, 08 May 2008 10:14
		Re: reading in a long line of data By: David Fanning on Thu, 08 May 2008 10:08
		Re: reading in a long line of data By: teich on Thu, 08 May 2008 09:56
		Re: reading in a long line of data By: David Fanning on Thu, 08 May 2008 09:43
		Re: reading in a long line of data By: ben.bighair on Thu, 08 May 2008 09:38

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