Download multiple files

This script reads a file with one link per line and downloads the files

#!/bin/bash
if [ $# -eq 0 ]; then
    echo "Usage: $0 <file-with-links-to-download>"
    exit 1
else
    while IFS= read -r url; do
    echo "Downloading link $url" 
        curl -O "$url"
    done < $1
fi
echo "Script finished"
exit 0