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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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)
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type pathArg struct {
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path string
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}
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func (p *pathArg) Set(s string) error {
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_, err := os.Stat(s)
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if err != nil {
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return fmt.Errorf("bad path arg: %w", err)
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}
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p.path = s
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return nil
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}
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func (p pathArg) String() string { return p.path }
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