bbc top news using bash V2

bbc-top-news-v2.sh

#!/usr/bin/env bash

function command_exists () {
    type "$1" &> /dev/null ;
}

function print_error() {
    printf "\e[31m Error \e[0m: %s \n" "$1" 
}

# Check that required tools are installed
if ! command_exists hxnormalize || ! command_exists hxselect; then
    print_error "you need html-xml-utils to run this program. please visit http://packages.ubuntu.com/trusty/text/html-xml-utils"  
    exit 1  
fi

# Get the initial list 'ul'
rawList=$(wget -O - -q "http://www.bbc.co.uk/news/popular/read" | 
hxnormalize -x 2>/dev/null | 
hxselect -i "ul.most-popular-page__list")

# replace relative addresses with full address
stringToMatch="href=\"\/"
stringToReplace="href=\"http://bbc.co.uk/"
replaceRelLinks=$(echo "${rawList//$stringToMatch/$stringToReplace}");

fullOutput=""
counter=1
result="init"

while [ "$result" != "" ]
do
    # Extract one 'li' at a time then extract href and new item text
    result=$(echo "${replaceRelLinks}" |    
    hxselect -i -c "li.most-popular-page-list-item:nth-child($counter)")    
    
    href=$(echo ${result} | hxselect -i "a.most-popular-page-list-item__link" | grep -oP '(?<=href=")[^"]*(?=")')
    topic=$(echo ${result} | hxselect -i -c "span.most-popular-page-list-item__headline" )
    
    if [[  "$result" != "" ]]; then
        fullOutput+="\e[1m\e[92m ${counter}) \e[0m \e[1m${topic}\e[0m \n     ${href}\n\n"
    fi
    counter=$((counter + 1))    
    
done    

# Print result
dateTime=$(date +"%m-%d-%Y at %H:%M:%S")
printf "\n\e[1m\e[34m Top bbc news\e[0m $dateTime\n\n$fullOutput"