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Re: using an unlnown number of keywords [message #27381 is a reply to message #27379]

Mon, 22 October 2001 13:00

Sean Raffuse
Messages: 46
Registered: July 2001

Member

Liam E. Gumley <Liam.Gumley@ssec.wisc.edu> wrote in message
news:3BD469CE.7B6483C6@ssec.wisc.edu...
> Sean Raffuse wrote:
>>
>> David Fanning <david@dfanning.com> wrote in message
>> news:MPG.163a5b3f51d8f2ea989719@news.frii.com...
>>> Sean Raffuse (sean@me.wustl.edu) writes:
>>>
>>>> I'm trying to write a more or less universal procedure that takes a
data
>>>> structure and prints the variables out one by one one a line in an
ascii
>>>> file. The problem is that the structure could have any number of
>> variables.
>>>> I want to do this:
>>>>
>>>> printf, lun, structure.var1, structure.var2, structure.var3, . . .,
>>>> structure.varN
>>>>
>>>> If I know N, is there a way to do this without resorting to N cases?
>>>
>>> How about something like this:
>>>
>>> numTags = N_Tags(structure)
>>> PrintF, lun, structure, Format='(' + StrTrim(numTags,2) + 'F10.2)'
>>>
>> This would work fine if I didn't have different data types. Strings (of
>> various lengths) may be mixed with floats and integers. Any other ideas
out
>> there in IDL expert land??
>
> Why not use default formatting? For example:
>
> IDL> a = {var1:indgen(30), var2:['a', 'b', 'c'], var3:findgen(9)}
> IDL> print, a
> { 0 1 2 3 4 5 6 7
> 8 9 10 11 12 13 14 15
> 16 17 18 19 20 21 22 23
> 24 25 26 27 28 29
> a b c
> 0.00000 1.00000 2.00000 3.00000 4.00000
> 5.00000 6.00000 7.00000 8.00000
> }
>
> Each variable starts on a new line in the printed output.

The problem is that I am trying to format the data into columns:

var1 var2 var3 . . . varN
var1 var2 var3 . . . varN
var1 var2 var3 . . . varN
var1 var2 var3 . . . varN

>
> Cheers,
> Liam.
> Practical IDL Programming
> http://www.gumley.com/

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[Message index]

		Re: using an unlnown number of keywords By: John-David T. Smith on Mon, 22 October 2001 13:32
		Re: using an unlnown number of keywords By: Sean Raffuse on Mon, 22 October 2001 13:00
		Re: using an unlnown number of keywords By: Liam E. Gumley on Mon, 22 October 2001 11:47
		Re: using an unlnown number of keywords By: Sean Raffuse on Mon, 22 October 2001 11:20
		Re: using an unlnown number of keywords By: David Fanning on Fri, 19 October 2001 15:46

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