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Re: reading an ascii file efficiently [message #68895 is a reply to message #68894]

Mon, 30 November 2009 06:39

natha
Messages: 482
Registered: October 2007

Senior Member

On Nov 27, 10:27 pm, Heinz Stege <public.215....@arcor.de> wrote:
> On Sat, 28 Nov 2009 04:16:35 +0100, Heinz Stege wrote:
>> pos=strpos(rr,',',/reverse_search)
>> result=float(strmid(rr,transpose(pos)))
>
> Oh no, it doesn't work this way. We have to exclude the comma from
> the string:
>
> pos=strpos(rr,',',/reverse_search)
> result=float(strmid(rr,transpose(pos)+1))

It doesn't work... Check a simple example :
rr=['a,b,c','a,b,c']
pos=strpos(rr,',',/reverse_search)
print, strmid(rr,pos+1,99)

You have to do it for each component of the string array... Is not the
best solution, thanks anyway
nata

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[Message index]

		Re: reading an ascii file efficiently By: jeanh on Mon, 30 November 2009 06:50
		Re: reading an ascii file efficiently By: natha on Mon, 30 November 2009 06:39
		Re: reading an ascii file efficiently By: David Fanning on Sat, 28 November 2009 11:00
		Re: reading an ascii file efficiently By: penteado on Fri, 27 November 2009 21:04
		Re: reading an ascii file efficiently By: David Fanning on Fri, 27 November 2009 20:56
		Re: reading an ascii file efficiently By: penteado on Fri, 27 November 2009 19:58
		Re: reading an ascii file efficiently By: Heinz Stege on Fri, 27 November 2009 19:27
		Re: reading an ascii file efficiently By: Heinz Stege on Fri, 27 November 2009 19:16
		Re: reading an ascii file efficiently By: penteado on Fri, 27 November 2009 14:45
		Re: reading an ascii file efficiently By: natha on Fri, 27 November 2009 11:02
		Re: reading an ascii file efficiently By: jeanh on Fri, 27 November 2009 10:39
		Re: reading an ascii file efficiently By: b_gom on Fri, 27 November 2009 10:34

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