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30 lines
460 B
Go
30 lines
460 B
Go
// filecopy.go
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package main
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import (
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"fmt"
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"io"
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"os"
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)
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func main() {
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CopyFile("target.txt", "source.txt")
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fmt.Println("Copy done!")
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}
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func CopyFile(dstName, srcName string) (written int64, err error) {
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src, err := os.Open(srcName)
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if err != nil {
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return
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}
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defer src.Close()
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dst, err := os.OpenFile(dstName, os.O_WRONLY|os.O_CREATE, 0644)
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if err != nil {
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return
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}
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defer dst.Close()
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return io.Copy(dst, src)
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}
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