package main

import (
	"bufio"
	// "fmt"
	"log"
	"os"

	c "github.com/gookit/color"

	"github.com/tidwall/gjson"
)

func main() {
	file, err := os.Open("/path/to/file")
	if err != nil {
		log.Fatal(err)
	}
	defer file.Close()

	scanner := bufio.NewScanner(file)

	//! Inrease the buffer capacity if necessary
	const maxCapacity = 100 * 1024 // 20GB == 20_000*1024
	buf := make([]byte, maxCapacity)
	scanner.Buffer(buf, maxCapacity)

	// optionally, resize scanner's capacity for lines over 64K, see next example
	for scanner.Scan() {

		line := scanner.Text()
		g := gjson.Parse(line)
		for _, r := range g.Array() {
			if r.Get("ev").String() == "AM" {
				c.Greenln(" ")

			}
		}
	}

	if err := scanner.Err(); err != nil {
		log.Fatal(err)
	}
}