Re: Reading irregular ASCII file

From: Dennis Shea <shea_at_nyahnyahspammersnyahnyah>
Date: Tue Feb 23 2010 - 17:32:48 MST

Go to the NCL Applications Page

Go to File I/O: Click "Read ascii"

Click: pw.dat (example)

there are two approaches outlined

Good luck

On 02/23/2010 05:18 PM, Jakob Tendel wrote:
> Hi,
>
> I am having trouble finding a sane way to read in a type of ASCII file
> of pilot reports on in-flight icing I have. The data is mostly columns
> of differing data types. The problem is that each line has an unordered
> bit of textual information at the end, that is different from line to
> line. This screw up the 'column detection' logic and defeats the usual
> approaches to reading tabled ascii data that I could find. The good
> thing is that I don't need any of that info and only want a couple of
> the nice columns.
>
>
> Example:
>
> 20100205 1205 40.29 -83.28 -1 -1 UA /OV CMH315025 /TM 1205 /FL070
> 20100205 1210 41.89 -91.79 3 1 UA /OV CID /TM 1210 /FL065 /TP E120
>
> The first six columns of numeric data is what I need.
>
> Question:
>
> Is there a way to make 'asciiread' or a similar function only read the
> first x columns of each line and ignore the rest, EVEN IF IT IS NOT
> NICELY COLUMNAR?
>
> Thanks for any tips.
>
> Jakob
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-- 
======================================================
Dennis J. Shea                  tel: 303-497-1361    |
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Climate Analysis Section                             |
Climate & Global Dynamics Div.                       |
National Center for Atmospheric Research             |
Boulder, CO  80307                                   |
USA                        email: shea 'at' ucar.edu |
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Received on Tue Feb 23 17:32:52 2010

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