trim.String: Removes white space from both ends of this string
In HenrikBengtsson/R.lang: [R] Class Library - Basic classes

Description Usage Value Author(s) Examples

Removes white space from both ends of this string. The following character values are all white spaces: "\t" (0x09 - HORIZONTAL TABULATION), "\n" (0x0A - NEW LINE), "\v" (0x0B - VERTICAL SPACE), "\f" (0x0C - FORM FEED), "\r" (0x0D - CARRIAGE RETURN), and " " (0x20 - SPACE).

1 2	## S3 method for class 'String' trim(this, ...)

Returns this string, with white space removed from the front and end.

Henrik Bengtsson (http://www.braju.com/R/)

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  s <- String("\t  Hello world!\n")
  print(trim(s))                           # "Hello world!"
  print(trim("\t  Hello world!\n"))        # "Hello world!"