Download all the books from a talebook website.

download_talebook.sh

#!/usr/bin/env bash

## Download metadata, modify these as your needs.
download_directory="/Volumes/Download/EPUB"
index_file="/Users/Yufan/Downloads/startIndex"
calibre_site="http://soulseeker.myds.me:25788"
cookie_content='user_id="2|1:0|10:1648963149|7:user_id|4:MjE=|22392d10a223babcf803fdb017893b8dbd6c2a1d2f539da2d4739d38cb682977"; lt="2|1:0|10:1648963149|2:lt|16:MTY0ODk2MzE0OQ==|81b175537a41b2a2c1cefaa9ac299b3c60b6ebf065b8a2fd0a5ba67e07c063a1"; admin_id="2|1:0|10:1648963139|8:admin_id|0:|181e17ec95521a99c887d8bc63ce60b4c45a1ec6e86b527850230991fe858cb5"'
minimal_size=10240

## Don't modify the scripts below.
function query_start_index() {
    if [ ! -f "$index_file" ]; then
        touch $index_file
        echo 1 > $index_file
    fi

    echo $(cat $index_file)
}

startIndex=$(query_start_index)
echo "Start to download from $startIndex"

for((i=$startIndex; i<=22451; i++));
do
    file_path=$download_directory/$i.epub
    file_url=$calibre_site/api/book/$i.EPUB

    echo "Start downloading $file_url"
    curl --cookie "$cookie_content" "$file_url" --output "$file_path"
    echo "Finish download $file_url"

    file_size=`ls -l $file_path | awk '{print  $5}'`
    if [ $file_size -lt $minimal_size ]; then
        echo "$file_path is a blank file, remove it."
        rm -rf $file_path
    fi

    echo $i > $index_file
done