Make the filename extension bit of docs easier to read.
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@ -123,15 +123,18 @@ and you'll get something like
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In this example we use --filename= and expect to get a json or yaml file as the argument. To make this easier we annotate the --filename flag with valid filename extensions.
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In this example we use --filename= and expect to get a json or yaml file as the argument. To make this easier we annotate the --filename flag with valid filename extensions.
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```go
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```go
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annotations := make([]string, 3)
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annotations := []string{"json", "yaml", "yml"}
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annotations[0] = "json"
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annotations[1] = "yaml"
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annotations[2] = "yml"
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annotation := make(map[string][]string)
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annotation := make(map[string][]string)
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annotation[cobra.BashCompFilenameExt] = annotations
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annotation[cobra.BashCompFilenameExt] = annotations
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flag := &pflag.Flag{"filename", "f", usage, value, value.String(), false, annotation}
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flag := &pflag.Flag{
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Name: "filename",
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Shorthand: "f",
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Usage: usage,
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Value: value,
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DefValue: value.String(),
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Annotations: annotation,
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}
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cmd.Flags().AddFlag(flag)
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cmd.Flags().AddFlag(flag)
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```
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```
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