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Re: Sort a HASH [message #76664]

Fri, 24 June 2011 03:52

Gray
Messages: 253
Registered: February 2010

Senior Member

On Jun 24, 4:37 am, JDS <jdtsmith.nos...@yahoo.com> wrote:
> You appear to be asking why a HASH is not ordered. Having been familiar with HASH's from other languages, I did not expect them to be ordered. What is peculiar here, is that, without converting hashes into a more primitive data type, there is no way to order them yourselves (or rearrange them in any way, other than a loop)! That is in stark contrast to other languages. For example, a common idiom in Perl is:
>
> foreach key (sort keys %hash) {
> % do something
>
> }
>
> Is there really no equivalent in IDL?

Well, I was asking why when I indexed a hash were the elements not
returned in the order I indexed them.

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[Message index]

		Re: Sort a HASH By: Gray on Fri, 24 June 2011 03:52
		Aw: Re: Sort a HASH By: JDS on Fri, 24 June 2011 01:37
		Re: Sort a HASH By: Gray on Wed, 22 June 2011 08:30
		Re: Sort a HASH By: Gray on Wed, 22 June 2011 08:33
		Re: Sort a HASH By: chris_torrence@NOSPAM on Fri, 24 June 2011 15:28

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