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28 lines
586 B
Go
28 lines
586 B
Go
package files
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import (
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"errors"
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"fmt"
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"os"
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)
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func CreateOrReplace(fileName string) (*os.File, error) {
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var output *os.File
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if _, err := os.Stat(fileName); errors.Is(err, os.ErrNotExist) {
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output, err = os.Create(fileName)
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if err != nil {
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return nil, fmt.Errorf("Error creating file %s", fileName)
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}
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} else {
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err = os.Truncate(fileName, 0)
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if err != nil {
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return nil, fmt.Errorf("Error truncating file %s", fileName)
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}
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output, err = os.Open(fileName)
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if err != nil {
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return nil, fmt.Errorf("Error opening file %s", fileName)
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}
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}
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return output, nil
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}
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