[R] Trim function ?
bates at stat.wisc.edu
Thu May 9 17:59:22 CEST 2002
Ernesto Jardim <ernesto at ipimar.pt> writes:
> 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 ?
If you want to remove trailing blanks you can use sub with the regular
expression ' +$'.
> str = 'Now is the time '
> sub(' +$', '', str, extended = TRUE)
 "Now is the time"
I had hoped you could use '\s+$' or '\\s+$' but that doesn't seem to
work. I guess we would need the perl regular expression library, of
which there has been some discussion, to do that.
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