55 lines
883 B
Go
55 lines
883 B
Go
/* Yes program implementation. */
|
|
package yes
|
|
|
|
import(
|
|
"os"
|
|
"fmt"
|
|
"flag"
|
|
"strings"
|
|
"github.com/jienfak/goblin/input"
|
|
)
|
|
|
|
func yes(s string){
|
|
for{
|
|
fmt.Print(s)
|
|
}
|
|
}
|
|
|
|
func Run(args []string) int {
|
|
var(
|
|
stdinFlag bool
|
|
nFlag bool
|
|
s string
|
|
)
|
|
status := 0
|
|
arg0 := args[0]
|
|
args = args[1:]
|
|
flagSet := flag.NewFlagSet(arg0, flag.ExitOnError)
|
|
flagSet.BoolVar(&stdinFlag, "s", false, "Read string from stdin.")
|
|
flagSet.BoolVar(&nFlag, "n", false, "Do not add net line character.")
|
|
flagSet.Usage = func() {
|
|
fmt.Fprintf(os.Stderr, "Usage of %s: %s [options] [string]\n", arg0, arg0)
|
|
flagSet.PrintDefaults()
|
|
}
|
|
flagSet.Parse(args)
|
|
args = flagSet.Args()
|
|
|
|
if stdinFlag {
|
|
in, _ := input.ReadAllRaw(os.Stdin)
|
|
s = string(in)
|
|
} else {
|
|
if len(args)>0 {
|
|
s = strings.Join(args, " ")
|
|
} else {
|
|
s = "y"
|
|
}
|
|
}
|
|
|
|
if !nFlag {
|
|
s += "\n"
|
|
}
|
|
|
|
yes(s)
|
|
|
|
return status
|
|
}
|