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Re: reading in a long line of data [message #60282 is a reply to message #60281]

Thu, 08 May 2008 09:38

ben.bighair
Messages: 221
Registered: April 2007

Senior Member

On May 8, 12:18 pm, te...@atmsci.msrc.sunysb.edu wrote:
> Hi, I am trying to read in a long line which has around 2520 values
> all in scientific notation (ie 1.2E+02, etc). I tried the following:
>
> x=strarr(2520)
> x[*]='12345678'
> readu,unit,x
>
> Then converting to floating point. This doesn't seem to work since
> the data is in scientific notation. Does anyone have any suggestions?
>

Hi,

The easiest way might be the following...

x = ""
READF, U, x
x = FLOAT(STRSPLIT(x, ",",/EXTRACT))

which assumes comma delimited data.

If you know exactly how many items are in a row you can get fancier
with explicit format statements. But this simpler form should be OK.

Cheers,
Ben

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[Message index]

		Re: reading in a long line of data By: Spon on Sun, 11 May 2008 01:14
		Re: reading in a long line of data By: Spon on Fri, 09 May 2008 07:42
		Re: reading in a long line of data By: David Fanning on Fri, 09 May 2008 07:37
		Re: reading in a long line of data By: Spon on Fri, 09 May 2008 07:31
		Re: reading in a long line of data By: David Fanning on Fri, 09 May 2008 07:26
		Re: reading in a long line of data By: edward.s.meinel@aero. on Fri, 09 May 2008 07:03
		Re: reading in a long line of data By: David Fanning on Fri, 09 May 2008 06:28
		Re: reading in a long line of data By: Spon on Fri, 09 May 2008 04:15
		Re: reading in a long line of data By: David Fanning on Thu, 08 May 2008 10:24
		Re: reading in a long line of data By: teich on Thu, 08 May 2008 10:14
		Re: reading in a long line of data By: David Fanning on Thu, 08 May 2008 10:08
		Re: reading in a long line of data By: teich on Thu, 08 May 2008 09:56
		Re: reading in a long line of data By: David Fanning on Thu, 08 May 2008 09:43
		Re: reading in a long line of data By: ben.bighair on Thu, 08 May 2008 09:38

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