[ncl-talk] read_colormap_file suggestion

[Alan Brammer]

line 199 $NCARG_ROOT/lib/ncarg/nclscripts/utilities.ncl  (v6.3.0)

    tokens = str_split(lines(i), " ")

This only allows for space separated rgb files.  I can't find any true
specifications on rgb file format but I have csv rgb files that work with
the other NCL functions but not read_colormap_file().

If the above line is edited to the below it allows both space and
comma delimiters.

    tokens = str_split(lines(i), " ,")

Side note, there's no documentation that str_split accepts multiple
delimiters.

Thanks,
Alan.
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