[R] Function to check the presence of an Item in an array

[Gundala Viswanath]

Hi all,

Is there a way to do it?
For example:

> x
"foo" "bar" "bar2" "qux"

is there a function to return TRUE/FALSE
given a test variable

> func("foo")
TRUE

> func("GUNDALA")
FALSE

Is there such "func" in R?

- Gundala Viswanath
Jakarta - Indonesia