Here is another one shell script friendly

`#!/bin/bash

Function to fetch URLs from a page

get_urls_from_page() {
local url=$1
local pattern=$2
curl -s "$url" | grep -oP "$pattern"
}

Main function to download Splunk

download_splunk() {
echo "⏳ Fetching the list of Splunk Enterprise URLs..."
SPLUNK_ENTERPRISE_URLS=$(get_urls_from_page "https://www.splunk.com/en_us/download/splunk-enterprise.html" 'data-link="[^"]+"')

echo "⏳ Fetching the list of Splunk Universal Forwarder URLs..."
SPLUNK_UF_URLS=$(get_urls_from_page "https://www.splunk.com/en_us/download/universal-forwarder.html" 'data-link="[^"]+"')

# Combine all URLs into an array
ALL_URLS=($(echo "$SPLUNK_ENTERPRISE_URLS" | tr -d 'data-link="' | tr '\n' ' '))
ALL_URLS+=($(echo "$SPLUNK_UF_URLS" | tr -d 'data-link="' | tr '\n' ' '))

if [ ${#ALL_URLS[@]} -eq 0 ]; then
    echo "❌ No URLs were fetched. Please check the URLs or your internet connection."
    exit 1
fi

# Display the list of URLs to the user
echo "❓ Please choose a value from the following list:"
for i in "${!ALL_URLS[@]}"; do
    printf "%2d. %s\n" $((i + 1)) "${ALL_URLS[$i]}"
done

# Prompt for user selection
while true; do
    read -p "Enter the number of your choice (1-${#ALL_URLS[@]}): " choice
    if [[ $choice =~ ^[0-9]+$ ]] && [ $choice -ge 1 ] && [ $choice -le ${#ALL_URLS[@]} ]; then
        SELECTED_URL="${ALL_URLS[$((choice - 1))]}"
        FILENAME=$(basename "$SELECTED_URL")

        # Check if file already exists and resume download if possible
        if [ -f "$FILENAME" ]; then
            echo "⏳ Resuming download for: $FILENAME"
            curl -C - -O "$SELECTED_URL"
        else
            echo "⤵️ Downloading to current directory: $FILENAME"
            curl -O "$SELECTED_URL"
        fi

        echo "Downloaded \"$FILENAME\""
        echo "🎉 Done, have a great day!"
        break
    else
        echo "❌ Invalid selection. Please enter a number between 1 and ${#ALL_URLS[@]}."
    fi
done

}

download_splunk
`