utils.go

package main

import (
	"bytes"
)

func truncate(str string, chars int) string {
	if len(str) >= chars {
		return str[0:chars]
	}
	return str
}

func splitSubN(s string, n int) []string {
	sub := ""
	subs := []string{}

	runes := bytes.Runes([]byte(s))
	l := len(runes)
	for i, r := range runes {
		sub = sub + string(r)
		if (i+1)%n == 0 {
			subs = append(subs, sub)
			sub = ""
		} else if (i + 1) == l {
			subs = append(subs, sub)
		}
	}

	return subs
}