38 lines
602 B
Go
38 lines
602 B
Go
package main
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import (
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"io"
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"log"
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"os"
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)
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func CopyFile(out, in string) (err error) {
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var inf, outf *os.File
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inf, err = os.Open(in)
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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 := inf.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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outf, err = os.Create(out)
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if err != nil {
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return
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}
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_, err = io.Copy(outf, inf)
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cErr := outf.Close()
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if err == nil {
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err = cErr
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}
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return
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}
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func main() {
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if err := CopyFile("output.txt", "input.txt"); err != nil {
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log.Fatal(err)
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}
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}
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