checklinks

#!/bin/bash
test() {
    whitelist_sites="ex.org"
    [[ "$1" =~ $whitelist_sites ]] && exit 1
    unset result redirect
    result=( $(curl -K "$XDG_CONFIG_HOME/curlrc" --http2 --no-keepalive --connect-timeout 15 --max-time 15 -o /dev/null --silent --write-out "%{http_code} %{url_effective}" "$1") )
    if [[ ${result[0]} == 301 ]]; then
      result[1]=$(curl -I -K "$XDG_CONFIG_HOME/curlrc" --http2 --no-keepalive --connect-timeout 15 --max-time 15 -o /dev/null --silent --write-out "%{url_effective}" "$1")
    fi
    if ! [[ ${result[1]} == "$1" ]]; then 
      redirect=", redirected to \e[0m\e[4m\e[33m${result[1]}\e[0m"
    fi 
    # shellcheck disable=SC2043
    for wl_code in 200; do 
    if ! [[ ${result[0]} == "${wl_code}" ]]; then
      [[ ${result[0]} == 000 ]] && result[0]="can't resolve domain"
      echo -e "${1} \e[2m->\e[0m \e[31m${result[0]}\e[0m${redirect}"
    fi
    done
}

dooo() {
  # read file
  while read -r char; do
    test "$char" &
    [[ $(jobs | wc -l) -gt 3 ]] && sleep 5
  done < "${1}"
}

dooo "${1}"
wait