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// Copyright (c) Bartłomiej Płotka @bwplotka
// Licensed under the Apache License 2.0.
package cpy
import (
"io"
"os"
"github.com/efficientgo/core/errcapture"
)
func File(src, dst string) (err error) {
source, err := os.Open(src)
if err != nil {
return err
}
defer errcapture.Do(&err, source.Close, "close source")
destination, err := os.Create(dst)
if err != nil {
return err
}
defer errcapture.Do(&err, destination.Close, "close destination")
buf := make([]byte, 1024)
for {
n, err := source.Read(buf)
if err != nil && err != io.EOF {
return err
}
if n == 0 {
break
}
if _, err := destination.Write(buf[:n]); err != nil {
return err
}
}
return nil
}
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