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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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"path" |
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) |
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func usage() { |
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fmt.Printf("usage: %v path\n", os.Args[0]) |
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os.Exit(1) |
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} |
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func main() { |
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if len(os.Args) != 2 { |
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usage() |
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} |
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fmt.Println(path.Dir(os.Args[1])) |
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}
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