package data import ( . "github.com/sqshq/termui" "os/exec" "strings" ) type Item struct { Script string `yaml:"script"` Label string `yaml:"label"` Color Color `yaml:"color"` } func (self *Item) nextValue() (value string, err error) { output, err := exec.Command("sh", "-c", self.Script).Output() if err != nil { return "", err } return strings.TrimSpace(string(output)), nil }