[R] scan(...comment.char="#") breaks my code

Prof Brian D Ripley ripley at stats.ox.ac.uk
Tue Feb 19 08:18:32 CET 2002


On Tue, 19 Feb 2002, Steve Cassidy wrote:

> I've just discovered the recent addition of the comment.char arg to scan, a
> useful feature no doubt but the default value of # rather than "" breaks my
> code which looks for # as a delimeter in a file and provides a messy
> incompatability with earlier versions of R and with Splus.
>
> Is there any chance that this default could be changed to ""?

It already has been. The NEWS for R-patched / R-devel says:

    o   The default has been changed to scan(comment.char="") for
        consistency with earlier code (as in the previous item).


-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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