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Re: Reading and saving a file [message #74611]

Thu, 27 January 2011 07:28

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Paolo writes:

> Basically you want to use openw to get a file unit:
>
> openw, Unit, 'data.dat', /GET_LUN
>
> then printf to write the contents
>
> mydata=[1,2,3]
>
> printf,unit,mydata
>
> close,unit

Well, use FREE_LUN, instead of CLOSE. CLOSE won't
free the logical unit number to be used over again
when it is obtained this way. FREE_LUN will both
close the file *and* free the logical unit number.

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		Re: Reading and saving a file By: David Fanning on Thu, 27 January 2011 07:28
		Re: Reading and saving a file By: pgrigis on Thu, 27 January 2011 07:25
		Re: Reading and saving a file By: Giovanna on Thu, 27 January 2011 04:32
		Re: Reading and saving a file By: pgrigis on Wed, 26 January 2011 12:42
		Re: Reading and saving a file By: Gray on Wed, 26 January 2011 10:44
		Re: Reading and saving a file By: Giovanna on Wed, 26 January 2011 10:19
		Re: Reading and saving a file By: Giovanna on Wed, 26 January 2011 07:37
		Re: Reading and saving a file By: David Fanning on Wed, 26 January 2011 07:31
		Re: Reading and saving a file By: penteado on Wed, 26 January 2011 07:22
		Re: Reading and saving a file By: Giovanna on Wed, 26 January 2011 06:48
		Re: Reading and saving a file By: Gray on Wed, 26 January 2011 05:52
		Re: Reading and saving a file By: Giovanna on Thu, 27 January 2011 08:24

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