func main() {
flags := xflag.NewFlag()
name := flags.String("#1", "dolly", "name of object")
age := flags.Int("#2", 40, "age of object")
flags.ParseArgs()
fmt.Println("name", *name, "age", *age)
}
func main() {
flags := xflag.NewFlag()
ints := flags.IntList("#1", "0", "set of ints")
flags.ParseArgs()
sum := 0
for _, i := range *ints {
sum += i
}
fmt.Println("sum", sum)
}
func main() {
flag := xflag.NewFlag()
f := flag.OpenFile("#1", "stdin", "input file")
flag.ParseArgs()
fi, e := f.Stat()
if e != nil {
fmt.Println("error!", e)
} else {
fmt.Println(fi.IsDirectory(), fi.IsRegular())
}
flag.Close()
}
func main() {
flags := xflag.NewFlag()
fl := flags.OpenFileList("#1", "", "input files")
flags.ParseArgs()
slice := make([]byte, 20)
for _, fname := range *fl {
fmt.Println("file", fname)
f, _ := os.Open(fname)
f.Read(slice)
fmt.Println(string(slice))
f.Close()
}
}
// it's possible to use xflags to read a simple property file
package main
import (
"fmt"
"github.com/stevedonovan/xflag"
"io/ioutil"
)
var config = `
# comment line is ignored
name=bonzo dog
age=12 # age of animal
owners=Alice,John
`
var (
flags = xflag.NewFlag()
name = flags.String("name", "dolly", "name of object")
age = flags.Int("age", 40, "age of object")
owners = flags.StringList("owners", "self", "owners of this animal")
)
func main() {
tmp, _ := ioutil.TempFile("", "tmp")
tmp.WriteString(config)
tmp.Close()
flags.ParseConfig(tmp.Name())
fmt.Printf("name %q %d owners: %v\n", *name, *age, *owners)
}