On Thu, 4 Oct 2007, Alberto Monteiro wrote:
> Is there any version of grep that gets information from the filename?
>
> For example:
> x <- "myfile.txt"
> y <- grep.file("my text", x)
> should return in y the lines with my text.
>
> I know that
> x <- "myfile.txt"
> y <- grep("my text", readLines(x))
> will probably work, but maybe there's a more direct (and
> less memory hungry) option.
Let your system utilities handle the burden.
For *NIXes, this approach:
http://finzi.psych.upenn.edu/R/Rhelp02a/archive/101103.html
and Windows XP
http://finzi.psych.upenn.edu/R/Rhelp02a/archive/101220.html
Chuck
>
> Alberto Monteiro
>
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>
Charles C. Berry (858) 534-2098
Dept of Family/Preventive Medicine
E mailto:[EMAIL PROTECTED] UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901
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