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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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"golang.org/x/sys/unix" |
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) |
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func main() { |
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if len(os.Args) != 2 { |
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fmt.Fprintf(os.Stderr, "usage: access <path>\n") |
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os.Exit(1) |
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} |
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filename := os.Args[1] |
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if err := unix.Access(filename, unix.W_OK); err != nil { |
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fmt.Printf("%v: %v\n", filename, err) |
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} |
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}
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