Re: regular expression

From: Jamie Scott <James.D.Scott_at_nyahnyahspammersnyahnyah>
Date: Thu, 02 Apr 2009 09:16:27 -0600


Have you tried this function?



On Apr 2, 2009, at 9:01 AM, wrote:

> Dear all,
> I was just wondering if there are any plans to include regular
> expression string matching into NCL one day. We are relying a lot on
> the NCL grib reading functionality. The names given to variables and
> dimensions are typically of the type...
> TOT_PREC_GDS10_SFC_acc1h
> g10_x_1
> ...where the first is a variable name and the second is a dimension
> name. In trying to write a library which can access variables in
> files, one of the tough bits is parsing the variable and dimension
> names. For example, typically, an increasing index is attached to
> the names if duplicates are encountered. Also, grid types and
> accumulation times are included in the name. A typical job of a user-
> friendly library would be to match the list resulting from
> getfilevarnames(f) against "TOT_PREC_GDS*_*_acc*". In making such
> matches a simple string comparison routine which also takes care of
> "*" and "?" would be great. This could be easily achieved by linking
> against GNU regex library and building an NCL wrapper. Are there
> already any plans for this functionality?

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Received on Thu Apr 02 2009 - 09:16:27 MDT

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