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OI-codes/LibreOJ/3/3.go

21 lines
393 B
Go

package main
import (
"bufio"
"os"
)
func main() {
file, _ := os.Open("copycat.in")
out, _ := os.OpenFile("copycat.out", os.O_WRONLY|os.O_CREATE, 0644)
reader := bufio.NewReader(file)
writer := bufio.NewWriter(out)
x, e := reader.ReadString('\n')
for e == nil {
x, e = reader.ReadString('\n')
writer.WriteString(x)
}
writer.Flush()
}