defer f.Close() // Splits on newlines by default. scanner := bufio.NewScanner(f) line := 1 // https://golang.org/pkg/bufio/#Scanner.Scan for scanner.Scan() { if strings.Contains(scanner.Text(), "yourstring") { return line, nil } line++ } if err := scanner.Err(); err !=...
19array := []byte(s) //将字符串转换成字节20var (21i int22res string23)24for i = 0; i < len(s); i++ {25fmt.Printf(string(array[i] - 32)) //格式化输出,将每一次循环的变量i都保存下来。如果不敲击这一26行默认只会保留最后一次循环的值.27res = string(array[i] - 32) //将字...
19array := []byte(s) //将字符串转换成字节20var (21i int22res string23)24for i = 0; i < len(s); i++ {25fmt.Printf(string(array[i] - 32)) //格式化输出,将每一次循环的变量i都保存下来。如果不敲击这一26行默认只会保留最后一次循环的值.27res = string(array[i] - 32) //将字...
key = string(value.([]byte)) default: newValue, err := json.Marshal(value) if err != nil { logrus.Errorf("value:%v, Marshal failed, error:%v", value, err) } key = string(newValue) } return key } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17...
(chunk)//put back the chunk in pool//split the string by "\n", so that we have slice of logslogsSlice := strings.Split(logs,"\n")stringPool.Put(logs)//put back the string poolchunkSize :=100//process the bunch of 100 logs in threadn :=len(logs...
=nil{fmt.Println("Could not able to read last line with offset",offset,"and lastline size",lastLineSize)return}logSlice:=strings.SplitN(string(lastLine),",",2)logCreationTimeString:=logSlice[0]lastLogCreationTime,err:=time.Parse("2006-01-02T15:04:05.0000Z",logCreationTimeString)iferr!=...
new := &Line{Token: tokens} 186 x.Stmt = append(x.Stmt, new) 187 return new 188 } 189 190 func (x *FileSyntax) updateLine(line *Line, tokens ...string) { 191 if line.InBlock { 192 tokens = tokens[1:] ...
funcFields(str string) []string 返回值:str的子字符串切片或如果str仅包含空格的空白切片。 范例1: // Golang program to illustrate the// strings.Fields() Functionpackagemainimport("fmt""strings")funcmain(){// String s is split on the basis of white spaces// and store in a string arrays:...
func ReadByLine(filePath string) { // filePath为文件的路径 file, err := os.Open(filePath) // 首先打开文件,file的类型为 *os.File if err != nil { log.Fatal(err) } defer func() { if err := file.Close(); err != nil { ...
The Scanner provides a convenient interface for reading data such as a file of newline-delimited lines of text. It reads data by tokens; the Split function defines the token. By default, the function breaks the data into lines with line-termination stripped. read_line_by_line.go ...