26 lines
389 B
Go
26 lines
389 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 main() {
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fileName := "err.log"
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os.WriteFile(fileName, []byte("123"), 0644)
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_, err := os.Stat(fileName)
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if os.IsNotExist(err) {
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fmt.Fprintf(os.Stderr, "File %s not found\n", fileName)
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return
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}
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data, err := os.ReadFile(fileName)
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if err != nil {
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fmt.Fprintf(os.Stderr, "ReadFile: %v\n", err)
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return
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}
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fmt.Printf("%s\n", data)
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}
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