46 строки
612 Б
Go
46 строки
612 Б
Go
package lib
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import (
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"io"
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"os"
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)
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func ReadFile(path string) (string, error) {
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ret, err := os.ReadFile(path)
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if err != nil {
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return "", err
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}
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return string(ret), nil
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}
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func WriteFile(path, data string) error {
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return os.WriteFile(path, []byte(data), 0644)
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}
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func CopyFile(src, dst string) (err error) {
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in, err := os.Open(src)
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if err != nil {
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return
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}
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defer in.Close()
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out, err := os.Create(dst)
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if err != nil {
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return
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}
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defer func() {
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cerr := out.Close()
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if err == nil {
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err = cerr
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}
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}()
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if _, err = io.Copy(out, in); err != nil {
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return
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}
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err = out.Sync()
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return
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}
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