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Re: Illegal variable name [message #92906 is a reply to message #92903]

Sun, 20 March 2016 16:25

Michael Galloy
Messages: 1114
Registered: April 2006

Senior Member

On 3/20/16 12:50 AM, Sapna Mishra wrote:
> Hi,
>
> I am using this command in one of my bash script :
>
> l=$(idl -quiet -e "print, n_elements('tmp1')")
>
> its showing error: Illegal variable name.
>
> How ever same script is running on other system.
> What could be the reason???
>

The way this is written, 'tmp1' is a scalar string, so N_ELEMENTS should
always return 1.

In any case, I think "Illegal variable name" is a bash error because IDL
just says "syntax error" when using an invalid variable name:

IDL> print, n_elements(3days)

print, n_elements(3days)
^
% Syntax error.

Mike
--
Michael Galloy
www.michaelgalloy.com
Modern IDL: A Guide to IDL Programming (http://modernidl.idldev.com)

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[Message index]

		Illegal variable name By: Sapna Mishra on Sat, 19 March 2016 23:50
		Re: Illegal variable name By: Michael Galloy on Sun, 20 March 2016 16:25

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