On Wed, 2006-10-11 at 13:30 -0400, Charles Annis, P.E. wrote:
> Greetings:
>
> I've searched the R archives with no luck.
>
> I want to print this to the screen as part of on-screen instructions as an
> example:
>
> default.FACTOR.labels <- c("Probe1", "Probe2", "Probe3")
>
> I can't seem to trick gsub()
>
> gsub("'", "\"", "default.FACTOR.labels <- c('Probe1', 'Probe2', 'Probe3'))")
>
> [1] "default.FACTOR.labels <- c(\"Probe1\", \"Probe2\", \"Probe3\"))"
> ^ ^ ^ ^ ^ ^
>
> which gives me \" rather than "
>
> Is it possible to escape the " character?
>
> Thanks.
>
> Charles Annis, P.E.
You don't need the gsub() and you want to use cat() to output the text:
> cat("default.FACTOR.labels <- c(\"Probe1\", \"Probe2\", \"Probe3
\")\n")
default.FACTOR.labels <- c("Probe1", "Probe2", "Probe3")
cat() will properly interpret and output the escaped characters. The
newline character "\n" will return the cursor to the next line, so that
the R prompt is not at the end of the last line output.
HTH,
Marc Schwartz
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