32 lines
422 B
Go
32 lines
422 B
Go
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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func ReadFile(filename string) (err error) {
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var internalErr *os.PathError
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if filename == "" {
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return internalErr
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}
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// reading...
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return nil
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}
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func main() {
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err := ReadFile("")
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if err != nil {
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fmt.Println("error")
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} else {
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fmt.Println("nil")
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}
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fmt.Println("value of err: ", err)
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fmt.Printf("type of err: %T\n", err)
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fmt.Println("(err == nil): ", err == nil)
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}
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