package main

import (
    "fmt"
    "regexp"
)

var shellQuoteRegex = regexp.MustCompile("([&; \t\n<>|'\"])")

func shellQuote(s string) string {
    return shellQuoteRegex.ReplaceAllString(s, "\\$1")
}

func main() {
    fmt.Println(shellQuote("ps aux;b"))
    fmt.Println(shellQuote("Robert O'Neil \"Album\".png"))
}