Files
learngo/23-input-scanning/exercises/04-grep/solution/main.go
2019-05-07 12:36:12 +03:00

32 lines
484 B
Go

// For more tutorials: https://blog.learngoprogramming.com
//
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//
package main
import (
"bufio"
"fmt"
"os"
"strings"
)
func main() {
in := bufio.NewScanner(os.Stdin)
var pattern string
if args := os.Args[1:]; len(args) == 1 {
pattern = args[0]
}
for in.Scan() {
s := in.Text()
if strings.Contains(s, pattern) {
fmt.Println(s)
}
}
}