Stripping either or both ends can be achieved by the somewhat tortuous but
fairly general
stripspace<-function(x) sub("^\\s*([^ ]*.*[^ ])\\s*$", "\\1",x)
which uses a replacement buffer to keep the useful part of the string.
>>> Prof Brian Ripley <[EMAIL PROTECTED]> 06/08/2007 21:23:49 >>>
I am sure Marc knows that ?sub has examples of trimming trailing space and
whitespace in various styles.
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