30 lines
514 B
Go
30 lines
514 B
Go
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package kvflag
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import (
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"fmt"
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"strings"
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)
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// Flag is a flag.Value implementation for parsing user variables
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// from the command-line in the format of '-var key=value'.
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type Flag map[string]string
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func (v *Flag) String() string {
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return ""
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}
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func (v *Flag) Set(raw string) error {
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idx := strings.Index(raw, "=")
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if idx == -1 {
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return fmt.Errorf("No '=' value in arg: %s", raw)
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}
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if *v == nil {
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*v = make(map[string]string)
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}
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key, value := raw[0:idx], raw[idx+1:]
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(*v)[key] = value
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return nil
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}
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