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Re: Little help on arrays [message #38051 is a reply to message #38049]

Mon, 16 February 2004 07:12

Pepijn Kenter
Messages: 31
Registered: April 2002

Member

Nuno Oliveira wrote:
> How do I compare one array with another? I want to avoid comparing
> position per position.
>
> IDL> if [1,1] eq [1,1] then print, 'bingo!'
> % Expression must be a scalar or 1 element array in this context: <BYTE
> Array[2]>.
> % Execution halted at: $MAIN$
>
You can use the array_equal procedure to compare arrays.

By the way, the result of the expresion [1,1] eq [1,1] is also an array
and can therefor not be used in the IF-statement.

IDL> print, [1,1] eq [1,1]
1 1

Pepijn.

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[Message index]

		Re: Little help on arrays By: mchinand on Mon, 16 February 2004 20:07
		Re: Little help on arrays By: MKatz843 on Mon, 16 February 2004 19:53
		Re: Little help on arrays By: Foldy Lajos on Mon, 16 February 2004 12:13
		Re: Little help on arrays By: JD Smith on Mon, 16 February 2004 11:23
		Re: Little help on arrays By: Craig Markwardt on Mon, 16 February 2004 07:27
		Re: Little help on arrays By: Pepijn Kenter on Mon, 16 February 2004 07:12
		Re: Little help on arrays By: mchinand on Mon, 16 February 2004 07:12

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