[R] Selecting non-empty elements after strsplit of string

[Jinyan Huang]

unlist(strsplit(output," +"))


On Tue, Dec 14, 2010 at 2:09 PM, Scott Chamberlain
<myrmecocystus at gmail.com> wrote:
> Hello,
>
> I am attempting to manipulate strings in which there are differing amounts of whitespace before and after each element taht I want to keep (any word, letter, or number). However, after strsplit and unlist, I know how to select specific elements with "[ ]", but I want to select instead all elements that are not missing. That is, do not select any elements that are simply "".
>
> output <- c("a     b   8888      6")
>
> gsub(" ","",unlist(strsplit(output,"  ",fixed=TRUE)))
> [1] "a"    ""     "b"    "8888" ""     ""     "6"
>
> Thanks! Scott Chamberlain
>        [[alternative HTML version deleted]]
>
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