A bash script to validate a given list of URLs

validate-urls.sh

#!/bin/bash

# Use: sh validate-urls.sh urls.txt

if [[ $# -eq 0 ]] ; then
    echo 'You must pass the name of a valid text file, containing a list of URLs to be validated.'
    exit 0
fi

while read url
do
    status=$(curl -o /dev/null --silent --head --write-out '%{http_code}' "$url")
    if [ $status == '200' -o $status == '301' -o $status = '302' ]
    then
        # Success
        echo "\033[32m ✔ $status $url"
    else
        # Error
        echo "\033[31m ✗ $status $url"
    fi
done < $1