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Re: Bug? Hash and System Variable [message #84345 is a reply to message #84342]

Fri, 31 May 2013 03:25

Fabzi
Messages: 305
Registered: July 2010

Senior Member

I can reproduce this on my machine too ({ x86_64 linux unix linux 8.2.2
Jan 23 2013 64 64})

Strange...

On 05/31/2013 06:08 AM, SonicKenking wrote:
> The following simple code errors out
>
> defsysv, '!SOME_SYS_VAR', hash()
> help, !SOME_SYS_VAR
> (!SOME_SYS_VAR)['A'] = 1
> end
>
> The output is as follows
> <Expression> HASH <ID=1 NELEMENTS=0>
> % Expression must be an array in this context: !SOME_SYS_VAR.
>
> The funny thing is that I can actually run the same command by typing it on the IDL prompt. So following command runs:
>
> IDL> (!SOME_SYS_VAR)['A'] = 1
> IDL> print, !SOME_SYS_VAR
> A: 1
>
> Is it a bug or feature? And how can I correct the code so it can run inside a routine instead of on the prompt (@ is the same as typing on the prompt).
>
> Thanks!
>

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[Message index]

		Re: Bug? Hash and System Variable By: David Fanning on Fri, 31 May 2013 05:34
		Re: Bug? Hash and System Variable By: Fabzi on Fri, 31 May 2013 03:25
		Re: Bug? Hash and System Variable By: SonicKenking on Thu, 30 May 2013 21:10

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