Parse DockerBench

main.go

package main

import (
    "bufio"
    "fmt"
    "log"
    "regexp"
    "os"
)

func getParams(regEx, url string) (paramsMap map[string]string) {

    var compRegEx = regexp.MustCompile(regEx)
    match := compRegEx.FindStringSubmatch(url)

    paramsMap = make(map[string]string)
    for i, name := range compRegEx.SubexpNames() {
        if i > 0 && i <= len(match) {
            paramsMap[name] = match[i]
        }
    }
    return
}

func main() {
    file, err := os.Open(os.Args[1])
    if err != nil {
        log.Fatal(err)
    }
    defer file.Close()

    scanner := bufio.NewScanner(file)
    for scanner.Scan() {
        line := scanner.Text()
	      params := getParams(`\[(?P<LEVEL>\w+)\]\s+(?P<NOM>[0-9\.]+)?\s+(?P<SPLIT>[\*\-])\s+(?P<MSG>.*)`, line)
	      if params["LEVEL"] != "" {
            fmt.Printf("%s;%s;%s;%s\n", params["LEVEL"], params["NOM"], params["SPLIT"], params["MSG"])
        }
    }
}