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Re: TRICKY TASK USING AWK [message #92790 is a reply to message #92789]

Mon, 29 February 2016 08:07

Paul Van Delst[1]
Messages: 1157
Registered: April 2002

Senior Member

Hello,

On 02/29/16 10:57, Sapna Mishra wrote:
> Hello,
>
> I am using this part of IDL
>
> for i=1,c do begin
> fnameo[i]='tmp'
> cmd ='awk -v var="$i" ''{print $var}'' ' + fname[i] + ' > ' + fnameo[i]
> spawn, cmd
> endfor
>
> where tmp is a new file i want to create, it is showing error fnameo[i] not exist.
> Where I am wrong???

I'm not an awk user so forgive the silly question, but what is the awk
command above supposed to do?

It seems pretty simple (despite my lack of awknowledge) - isn't there an
IDL way of doing what you want and skip using SPAWN altogether?

cheers,

paulv

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[Message index]

		TRICKY TASK USING AWK By: Sapna Mishra on Fri, 26 February 2016 01:20
		Re: TRICKY TASK USING AWK By: dg86 on Fri, 26 February 2016 04:03
		Re: TRICKY TASK USING AWK By: Sapna Mishra on Fri, 26 February 2016 06:55
		Re: TRICKY TASK USING AWK By: Mats Löfdahl on Fri, 26 February 2016 07:09
		Re: TRICKY TASK USING AWK By: Sapna Mishra on Mon, 29 February 2016 07:57
		Re: TRICKY TASK USING AWK By: Paul Van Delst[1] on Mon, 29 February 2016 08:07
		Re: TRICKY TASK USING AWK By: Heinz Stege on Mon, 29 February 2016 09:33
		Re: TRICKY TASK USING AWK By: Sapna Mishra on Mon, 29 February 2016 08:58
		Re: TRICKY TASK USING AWK By: wlandsman on Mon, 29 February 2016 09:44
		Re: TRICKY TASK USING AWK By: Sapna Mishra on Mon, 29 February 2016 22:08
		Re: TRICKY TASK USING AWK By: wlandsman on Tue, 01 March 2016 07:39
		Re: TRICKY TASK USING AWK By: wlandsman on Tue, 01 March 2016 19:36
		Re: TRICKY TASK USING AWK By: Sapna Mishra on Mon, 29 February 2016 22:12
		Re: TRICKY TASK USING AWK By: Mats Löfdahl on Tue, 01 March 2016 01:37
		Re: TRICKY TASK USING AWK By: Mats Löfdahl on Tue, 01 March 2016 01:50

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