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Re: Multiple Spawn Commands [message #49365 is a reply to message #49294]

Wed, 19 July 2006 04:40

enod
Messages: 41
Registered: November 2004

Member

It seems that IDL SPAWN evokes a new SHELL and only executes one line
of comand each time, even when you write all the commands to a temp
batch file and execute it. You can put all the commands in one line
(seperated by &&) and execute it. Also, maybe you can use IDL's CD
procedure to change the working directory.

Tian

Ryan. wrote:
> Dear IDL Gurus,
>
> Is it possible to issue multiple Spawn commands in Unix IDL without
> closing the shell? What I want to do is issue a very simple foreach
> loop but i cannot call spawn long enough to input all the commands. I
> think i might have to use the Unit keyword of spawn but i'm not sure
> how it works. Due to the simplicity of what I want to do I might be
> able to do it in fewer commands in Unix but I don't have enough
> experience in Unix to know how. Any help would be greatly appreciated.
> I want the following commands issued in Unix:
>
> change to desired directory
> foreach i ( file1 file2 file3 ... )
> ...file_dump.pl -$i ...
> end
>
> To do this I have the following:
> spawn, foreachcommand
> spawn, filedumpcommand
> spawn, endcommand
>
> but this obviously does not work.
>
> Thanks,
> Ryan.

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[Message index]

		Multiple Spawn Commands By: Ryan. on Fri, 14 July 2006 08:33
		Re: Multiple Spawn Commands By: peter.albert@gmx.de on Wed, 19 July 2006 23:59
		Re: Multiple Spawn Commands By: enod on Fri, 21 July 2006 03:55
		Re: Multiple Spawn Commands By: enod on Wed, 19 July 2006 04:40
		Re: Multiple Spawn Commands By: Craig Markwardt on Sat, 15 July 2006 07:22
		Re: Multiple Spawn Commands By: Ryan. on Fri, 14 July 2006 11:56

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