styx/utils/files.go

package utils

import "os"

// FileExists looks for a file, if it doesn't exist, it creates it.
func FileExists(filename string) error {
	_, err := os.Stat(filename)
	if os.IsNotExist(err) {
		_, err := os.Create(filename)
		if err != nil {
			return err
		}
	}
	return nil
}

// StringInSlice checks for the presence of a string in a slice.
func StringInSlice(a string, list []string) bool {
	for _, b := range list {
		if b == a {
			return true
		}
	}
	return false
}