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https://github.com/unknwon/the-way-to-go_ZH_CN.git
synced 2025-08-12 06:23:59 +08:00
38 lines
913 B
Go
Executable File
38 lines
913 B
Go
Executable File
// remove_first6char.go
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package main
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import (
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"bufio"
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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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inputFile, _ := os.Open("goprogram")
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outputFile, _ := os.OpenFile("goprogramT", os.O_WRONLY|os.O_CREATE, 0666)
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defer inputFile.Close()
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defer outputFile.Close()
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inputReader := bufio.NewReader(inputFile)
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outputWriter := bufio.NewWriter(outputFile)
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for {
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// inputString, readerError := inputReader.ReadString('\n')
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inputString, _, readerError := inputReader.ReadLine()
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if readerError == io.EOF {
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fmt.Println("EOF")
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break
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}
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//fmt.Printf("The input was: --%s--", inputString)
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outputString := string([]byte(inputString)[2:5]) + "\r\n"
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//fmt.Printf("The output was: --%s--", outputString)
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_, err := outputWriter.WriteString(outputString)
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//fmt.Printf("Number of bytes written %d\n", n)
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if err != nil {
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fmt.Println(err)
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return
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}
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}
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outputWriter.Flush()
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fmt.Println("Conversion done")
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}
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