isReadable

Checks if the file located by this path exists and is readable.

inline fun Path.isReadable(): Boolean(source)

import java.nio.file.Path
import java.nio.file.Paths

fun main() {
    val path: Path = Paths.get("example.txt")

    if (path.isReadable()) {
        println("The file exists and is readable.")
    } else {
        println("The file does not exist or is not readable.")
    }
}

Source