Find if any value in a list exists in another list

Question

im a newbie in groovy so i have a question, i have two lists, and i want to know if a value that exists in the first list also exists in the second list, and it must return true or false.

I tried to make a short test but it doesn't works... here is what i tried:

// List 1
def modes = ["custom","not_specified","me2"]
// List 2
def modesConf = ["me1", "me2"]
// Bool
def test = false

test = modesConf.any { it =~ modes }
print test

but if i change the value of "me2" in the first array to "mex2" it returns true when it must return false

Any idea?

Answer 1

Simplest I can think of is using intersect and let Groovy truth kick in.

def modes = ["custom","not_specified","me2"]
def modesConf = ["me1", "me2"]
def otherList = ["mex1"]

assert modesConf.intersect(modes) //["me2"]
assert !otherList.intersect(modes) //[]

assert modesConf.intersect(modes) == ["me2"]

In case the assertion passed, you can get the common elements out of the intersection without doing a second operation. :)

Answer 2

I believe you want:

// List 1
def modes = ["custom","not_specified","me2"]
// List 2
def modesConf = ["me1", "me2"]

def test = modesConf.any { modes.contains( it ) }
print test