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Re: A very simple FORMAT question [message #39121 is a reply to message #39119]

Wed, 21 April 2004 12:31

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

"Andry William (Please remove \".spam\")" <andry@ya.com.spam> writes:

> Sorry for this very simple question but I would appreciate if
> someone can help in the use of FORMAT in READF command.
>
> Here is the simple data:
>
> ------------------------ test.datos ----------------------------
> |020922 10:00:00 | 339| 348| 63| 356| 400| 88|
> |020922 10:00:00 | 339| 348| 63| 356| 400| 88|
> |020922 11:00:00 | 345| 349| 111| 422| 482| 140|
> |020922 12:00:00 | 339| 340| 113| 431| 533| 137|
> |020922 13:00:00 | 335| 333| 99| 410| 492| 127|
> ------------------------ End data ------------------------------
>
> Here is the simple program to read it.
>
> ------------------------- Simple IDL program -------------------
> flnm= 'test.datos'
> SPAWN, "wc -l "+ flnm+ " | awk '{print $1}'", lineas
> ; This can be done in IDL without any problem
>
> lineas= LONG(lineas[0])
> data= INTARR(11, lineas)
>
> OPENR, 1, flnm
> READF, 1, data, format= '(1x,i6,3(1x,i2),4x,7(1x,i6))'
> CLOSE,1
> END
> --------------------- End IDL program -------------------------
>
> For some reason (I don't understand why) the READF command
> reaches the end of the file and can not close it.

It looks to me that you have 10 things to read on each line,
and you are trying to read 11 in your format statement. Could
that be the problem?

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Re: A very simple FORMAT question By: Christopher Lee on Sat, 24 April 2004 04:26
		Re: A very simple FORMAT question By: Andry William (Please on Fri, 23 April 2004 11:38
		Re: A very simple FORMAT question By: Andry William (Please on Fri, 23 April 2004 11:35
		Re: A very simple FORMAT question By: Chris Lee on Fri, 23 April 2004 04:18
		Re: A very simple FORMAT question By: Chris Lee on Thu, 22 April 2004 02:06
		Re: A very simple FORMAT question By: wmconnolley on Thu, 22 April 2004 01:20
		Re: A very simple FORMAT question By: Andry William (Please on Wed, 21 April 2004 17:29
		Re: A very simple FORMAT question By: Andry William (Please on Wed, 21 April 2004 17:35
		Re: A very simple FORMAT question By: wmconnolley on Wed, 21 April 2004 12:38
		Re: A very simple FORMAT question By: David Fanning on Wed, 21 April 2004 12:31

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