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yes: "-N" option implemented.

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This commit is contained in:
jienfak 2020-05-03 05:59:39 +05:00
parent 97a5d794e1
commit 58bb9ea140
1 changed files with 12 additions and 2 deletions
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14
yes/yes.go
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@ -8,10 +8,19 @@ import(
"strings" "strings"
"github.com/jienfak/goblin/input" "github.com/jienfak/goblin/input"
) )
var(
nArg int
)
func yes(s string){ func yes(s string){
for{ if nArg<0{
fmt.Print(s) for{
fmt.Print(s)
}
} else {
for i:=0 ; i<nArg ; i+=1 {
fmt.Print(s)
}
} }
} }
@ -27,6 +36,7 @@ func Run(args []string) int {
flagSet := flag.NewFlagSet(arg0, flag.ExitOnError) flagSet := flag.NewFlagSet(arg0, flag.ExitOnError)
flagSet.BoolVar(&stdinFlag, "s", false, "Read string from stdin.") flagSet.BoolVar(&stdinFlag, "s", false, "Read string from stdin.")
flagSet.BoolVar(&nFlag, "n", false, "Do not add net line character.") flagSet.BoolVar(&nFlag, "n", false, "Do not add net line character.")
flagSet.IntVar(&nArg, "N", -1, "Repeat input N times. Negative value means infinite cycle.")
flagSet.Usage = func() { flagSet.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage of %s: %s [options] [string]\n", arg0, arg0) fmt.Fprintf(os.Stderr, "Usage of %s: %s [options] [string]\n", arg0, arg0)
flagSet.PrintDefaults() flagSet.PrintDefaults()