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@ -14,7 +14,6 @@ cli v2 manual
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+ [Values from the Environment](#values-from-the-environment)
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+ [Values from files](#values-from-files)
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+ [Values from alternate input sources (YAML, TOML, and others)](#values-from-alternate-input-sources-yaml-toml-and-others)
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+ [Muti values](#multi-values)
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+ [Required Flags](#required-flags)
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+ [Default Values for help output](#default-values-for-help-output)
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+ [Precedence](#precedence)
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@ -661,51 +660,6 @@ func main() {
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}
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```
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#### Multi values
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Slice flags(Float64SliceFlag, Int64SliceFlag, IntSliceFlag, StringSliceFlag) are designed to accept multi values.
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Here is a sample of setting multi values for slice flags:
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<!-- {
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"output": "0-float64Sclice cli.Float64Slice{slice:[]float64{13.3, 14.4, 15.5, 16.6}, hasBeenSet:true}\n1-int64Sclice cli.Int64Slice{slice:[]int64{13, 14, 15, 16}, hasBeenSet:true}\n2-intSclice cli.IntSlice{slice:[]int{13, 14, 15, 16}, hasBeenSet:true}\n3-stringSclice cli.StringSlice{slice:[]string{"parsed1", "parsed2", "parsed3", "parsed4"}, hasBeenSet:true}",
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} -->
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```
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package main
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import (
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"fmt"
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"os"
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"github.com/urfave/cli/v2"
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)
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func main() {
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os.Args = []string{"multi_values",
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"--stringSclice", "parsed1,parsed2", "--stringSclice", "parsed3,parsed4",
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"--float64Sclice", "13.3,14.4", "--float64Sclice", "15.5,16.6",
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"--int64Sclice", "13,14", "--int64Sclice", "15,16",
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"--intSclice", "13,14", "--intSclice", "15,16",
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}
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app := cli.NewApp()
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app.Name = "multi_values"
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app.Flags = []cli.Flag{
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&cli.StringSliceFlag{Name: "stringSclice"},
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&cli.Float64SliceFlag{Name: "float64Sclice"},
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&cli.Int64SliceFlag{Name: "int64Sclice"},
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&cli.IntSliceFlag{Name: "intSclice"},
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}
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app.Action = func(ctx *cli.Context) error {
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for i, v := range ctx.FlagNames() {
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fmt.Printf("%d-%s %#v\n", i, v, ctx.Value(v))
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}
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return ctx.Err()
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}
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_ = app.Run(os.Args)
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}
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```
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#### Required Flags
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You can make a flag required by setting the `Required` field to `true`. If a user
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