Numbered Filename Downloader

#!/usr/bin/env bash
# Just a little file download script for ordered\numbered files within a folder.
# Made to help a mate downloading Manga.


echo "this will only work for files in numbered order"
echo "i.e. starting with 1.jpg."
echo "Copy link address to folder containing images"
echo "i.e. if http://blerp.bj/67346/43/1.jpg"
echo "then paste http://blerp.bj/67346/43/"
echo ""
read -p "Enter URL to folder containing images: " Url
read -p "Enter file format i.e .jpg .bmp: " File

for x in {1..100000}
do wget -O/dev/null -q $Url$x$File && wget $Url$x$File || exit
done