bugfix no subcommand
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@ -51,9 +51,9 @@ func ver() string {
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func main() {
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func main() {
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args := os.Args[:]
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args := os.Args[:]
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if "help" == args[1] {
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if len(args) < 2 || "help" == args[1] {
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// top-level help
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// top-level help
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if 2 == len(args) {
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if len(args) <= 2 {
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usage()
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usage()
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os.Exit(0)
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os.Exit(0)
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return
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return
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