etcdctl: minor cleanup
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@ -38,7 +38,7 @@ func NewMakeDirCommand() cli.Command {
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// makeDirCommandFunc executes the "mkdir" command.
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func makeDirCommandFunc(c *cli.Context, client *etcd.Client) (*etcd.Response, error) {
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if len(c.Args()) == 0 {
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return nil, errors.New("Key required")
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return nil, errors.New("key required")
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}
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key := c.Args()[0]
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ttl := c.Int("ttl")
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