The Go language removes empty lines from a file
- 2020-05-24 05:41:42
- OfStack
This article demonstrates an example of how the Go language can clear empty lines from a file. Share with you for your reference. The specific implementation method is as follows:
The Go language is used to read the source file, remove the blank lines, and write to the target file
/**
* Created with IntelliJ IDEA.
* User: hyper-carrot
* Date: 12-8-31
* Time: In the afternoon 4:04
* To change this template use File | Settings | File Templates.
*/
package main
import (
"os"
"bufio"
"fmt"
)
func DeleteBlankFile(srcFilePah string, destFilePath string) error {
srcFile, err := os.OpenFile(srcFilePah, os.O_RDONLY, 0666)
defer srcFile.Close()
if err != nil {
return err
}
srcReader := bufio.NewReader(srcFile)
destFile, err := os.OpenFile(destFilePath, os.O_WRONLY|os.O_CREATE, 0666)
defer destFile.Close()
if err != nil {
return err
}
var destContent string
for {
str, _ := srcReader.ReadString('\n')
if err != nil {
if err == io.EOF {
fmt.Print("The file end is touched.")
break
} else {
return err
}
}
if 0 == len(str) || str == "\r\n" {
continue
}
fmt.Print(str)
destFile.WriteString(str)
}
return nil
}
func main() {
DeleteBlankFile("e:\\src.txt", "e:\\dest.txt")
}
I hope this article has been helpful to your programming of Go language.