You can do it like this. I wrote the code to filter out lines from an array
that does not contain words specified in array.
package main
>
> import (
> "os"
> "log"
> "bufio"
> "io"
> "regexp"
> )
>
> var abcd = [5]string{
> "one two",
> "three four fix",
> "six",
> "seven eight nine ten",
> "eleven twelve thirteen fourteen fifteen",
> }
>
> func main() {
>
> inputFile, err := os.Open("file.txt")
> if err != nil {
> log.Fatalln(err)
> }
>
> reader := bufio.NewReader(inputFile)
>
> for {
> filedata, _, err := reader.ReadLine()
> if err != nil {
> if err != io.EOF {
> log.Fatal(err)
> }
> return
> }
>
> if stringsInSlice(string(filedata)) {
>
> // Write This Line to a file.
>
> }
> }
> }
>
> func stringsInSlice(str string) bool {
> for _, v := range abcd {
> // \b is used to create boundary, So, It won't match a word in a bigger word.
> regex, err := regexp.Compile(`\b` + v + `\b`)
> if err != nil {
> log.Panic("Error In Compiling Regex")
> }
> if len(regex.FindAllString(str, 1)) != 0 {
> return true
> }
> }
> return false
> }
>
>
See this code in Action.
https://play.golang.org/p/v-rzh-Wpui
If there is something in my code that you did not understood, please let me
know.
Regards
Ishan Jain
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