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Re: SPAWN [message #8681 is a reply to message #7751]

Tue, 08 April 1997 00:00

Tim Patterson
Messages: 65
Registered: October 1995

Member

Hi Nobu,

If you have database retrieval routines already in C,
have you thought about using CALL_EXTERNAL to link
the C routines directly into your IDL code and save you
having to use SPAWNs which will likely be slower.

There's a lot of examples out there for calling up C from
IDL and it's now a relatively simple thing to set up on
most platforms.

Tim

Nobuyuki Tasaka wrote:
>
> Hi all,
>
> If someone who have tried to compare SPAWN in the following
> usage, please let me know the difference in terms of data
> parsing speed, interface flexibility and routine's independency.
>
> I would like to use SPAWN for calling database retriving routine
> written in C.
>
> 1) SPAWN, "cmd", result
>
> 2) SPAWN, "cmd", /UNIT
>
> 3) SPAWN, "cmd"
> (C routine writes data to memory map file and then IDL read it
> as a Logical Unit File)
>
> I'm looking forward to your help.
> Nobu
>
> ---------------------------------
> Nobuyuki Tasaka
> GE Medical Systems
> 3200 N Grandview Blvd,
> Waukesha, WI 53188
> (Phone) 414-521-6577
> (E-mail) tasaka@mr.med.ge.com
> ---------------------------------

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[Message index]

		SPAWN and reading from a socket? By: alpha on Thu, 16 January 1997 00:00
		Re: SPAWN and reading from a socket? By: alpha on Fri, 17 January 1997 00:00
		Re: SPAWN and reading from a socket? By: plugge on Fri, 17 January 1997 00:00
		Re: SPAWN By: Tim Patterson on Wed, 09 April 1997 00:00
		Re: SPAWN By: thompson on Wed, 09 April 1997 00:00
		Re: SPAWN By: Nobuyuki Tasaka on Wed, 09 April 1997 00:00
		Re: SPAWN By: Tim Patterson on Tue, 08 April 1997 00:00

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