in openwhisk/extractor.go [29:44]
func highestDir(dir string) int {
files, err := ioutil.ReadDir(dir)
if err != nil {
return 0
}
max := 0
for _, file := range files {
n, err := strconv.Atoi(file.Name())
if err == nil {
if n > max {
max = n
}
}
}
return max
}