[R] Trim function ?
ripley at stats.ox.ac.uk
Thu May 9 18:05:51 CEST 2002
On 9 May 2002, Ernesto Jardim wrote:
> I've imported some data from a oracle database and the strings have a
> lot of blank space (because of the delimiter). I want to remove these
> blanks space with something similar to a trim function.
> I don't find a trim function or something similar. Can someone give a
> help on this ?
sub() can do this (and far, far more). Do you want to trim leading or
trailing spaces or all spaces or what. For trailing spaces
sub(" +$", "", x)
will do what you want. For spaces both ends and no embedded spaces
sub(" *([^ ]+) *", "\\1", x)
and so on.
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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