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32 lines
732 B
32 lines
732 B
package util |
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import ( |
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"errors" |
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"fmt" |
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"io" |
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"os" |
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) |
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// opens given files, copies one into another |
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func CopyFile(srcPath, dstPath string) error { |
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// open for reading (source) |
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srcFile, err := os.Open(srcPath) |
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if err != nil { |
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return errors.New(fmt.Sprintf("Could not open src file : %s", err)) |
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} |
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defer srcFile.Close() |
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// open for writing (destination) (create file, if it does not exist already) |
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dstFile, err := os.OpenFile(dstPath, os.O_WRONLY|os.O_CREATE, os.ModePerm) |
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if err != nil { |
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return errors.New(fmt.Sprintf("Could not open dst file : %s", err)) |
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} |
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defer dstFile.Close() |
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_, err = io.Copy(dstFile, srcFile) |
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if err != nil { |
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return errors.New(fmt.Sprintf("Could not copy file : %s", err)) |
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} |
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return nil |
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}
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