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Re: idl readf error [message #65122 is a reply to message #65121]

Fri, 13 February 2009 20:17

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

rollo.tomasi@hotmail.com writes:

> Here's what I have:
>
> IDL> openr, 1, 'file1.out'
> IDL> h = strarr(5)
> IDL> readf, 1, h
> IDL> close, 1
> IDL> for j=0,4 do print, h[j]
> T U 17.81 201 145225.9
> T U 37.67 191 98975.8
> T U 21.77 201 129774.9
> T I 0.65 1 69.5
> T I 0.36 1 69.3
>
> By doing this I noticed that the values in the last column get pretty
> large, so I changed the format to
> format='(2A2, G7.2, G7.2, G10.2)'
>
> And I still get the same error.
>
> The largest values in the numerical columns are:
> column 3: 272.23
> column 4: 1000
> column 5: 145225.9

OK, well, as I expected, that format does not correspond
to what is in the file. And I am still mystified as to
why it worked (if it did) initially. The format looks to
me to be something more like this:

format='(2(A1,7x),F5.2,3x,I3,5x,G8.2)'

Try that and see if you have better luck. :-)

Here is the code I used to read the first line:

IDL> openr, 1, file
IDL> a="" &b = "" & c=0.0 & d=8 & e=0.0
IDL> readf, 1, a, b, c, d, e, format='(2(A1,7x),F5.2,3x,I3,5x,G8.2)'
IDL> print, a, b, c, d, e
TU 37.6700 191 98975.8

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: idl readf error By: Vince Hradil on Sat, 14 February 2009 06:35
		Re: idl readf error By: David Fanning on Fri, 13 February 2009 20:17
		Re: idl readf error By: Chris[6] on Fri, 13 February 2009 16:59
		Re: idl readf error By: rollo.tomasi on Fri, 13 February 2009 15:54
		Re: idl readf error By: David Fanning on Fri, 13 February 2009 15:04
		Re: idl readf error By: rollo.tomasi on Fri, 13 February 2009 14:37
		Re: idl readf error By: David Fanning on Thu, 12 February 2009 12:19
		Re: idl readf error By: David Fanning on Sat, 14 February 2009 06:52

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