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Re: work with structures [message #73606]

Wed, 17 November 2010 08:13

Jean[2]
Messages: 41
Registered: October 2010

Member

On Nov 17, 11:11 am, Michael Galloy <mgal...@gmail.com> wrote:
> On 11/17/10 9:00 AM, Jean wrote:
>
>
>
>> I have a program that takes a structure as one of its argument. I want
>> this program to parse and display its contains.
>
>> The structue may looks like this:
>
>> structure = { var1: {label:'label of var1', value:'value of var1'},$
>> var2: {label:'label of var2', value:'value of
>> var2'},$
>> ... }
>
>> I'm not supposed to know in advance the name of var1. Using tag_names,
>> I was able to retrieve those names, but know I need to get the label
>> and value of each of them and this is where I'm stuck.
>
>> of course doing something like
>
>> list_var = tag_names(structure)
>> for i=0,n_tags(structure)-1 do begin
>> print, structure.list_var[i].label !!! not working
>> endfor
>
>> did not work !
>
>> Any idea how I can do that ?
>
>> Jean
>
> Try:
>
> list_var = tag_names(structure)
> for i = 0L, n_tags(structure) - 1L do begin
> print, list_var[i], structure.(i).label, structure.(i).value
> endfor
>
> Mike
> --www.michaelgalloy.com
> Research Mathematician
> Tech-X Corporation

That's exactly what I was looking for. Thanks guys.

Jean

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[Message index]

		Re: work with structures By: Jean[2] on Wed, 17 November 2010 08:13
		Re: work with structures By: Michael Galloy on Wed, 17 November 2010 08:11
		Re: work with structures By: Paul Van Delst[1] on Wed, 17 November 2010 08:09

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