Parse free springer book CSV sheet and download titles

download-springer.sh

#! /bin/bash

# Input file should be based on downloadable Excel sheets, but saved as CSV file (field_delimiter=; string_delimiter=<empty>)
INPUT_FILE=${1}
INPUT_FILE_CONTENT_START_LINE=${2:-2}
URL_COLUMN_IDX=${3:-19}

assemble_download_file_basename() {
    input_file="${1}"
    url="${2}"

    line=$(grep "${url}" ${input_file})
    raw=$(echo "${line}" | awk -F';' '{print $9"folderseparator"$1 " (" $2 ") [" $3 "]"}')
    echo "${raw}" | sed 's,/,-,g;s,folderseparator,/,'
}

download_epub() {
    url=${1}
    file_name="${2}.epub"
    download_folder=downloaded_epubs

    mkdir -p ${download_folder}/$(dirname "${file_name}") >/dev/null 2>&1 || true
    curl -sL -o "${download_folder}/${file_name}" $(parse_epub_url ${url})
}

parse_epub_url() {
    url=${1}

    echo $(curl -Ls -o /dev/null -w %{url_effective} "${url}" | sed -E 's,/book,/download/epub,;s/$/.epub/')
}

parse_download_links() {
    input_file="${1}"
    input_file_content_start_line="${2}"
    url_column_index="${3}"

    tail -n +${input_file_content_start_line} "${input_file}" | awk -F';' "{print \$${url_column_index}}"
}

main() {
    for url in $(parse_download_links "${1}" "${2}" "${3}"); do
        filename=$(assemble_download_file_basename "${1}" ${url})
        echo Downloading: "${filename}"

        download_epub "${url}" "${filename}"
    done
}


${__SOURCED__:+return} # to not run code after this line during shellspec tests

main "${INPUT_FILE}" "${INPUT_FILE_CONTENT_START_LINE}" "${URL_COLUMN_IDX}"

Prerequisites

1. Input file should be based on downloadable Excel sheets, but saved as CSV file setting field delimiter ; and string delimiter empty)
2. Remove books you do not want to download by deleting entire line in CSV file
3. DO NOT remove columns

Usage

1. Download the script

2. Call this script

    bash download-springer.sh your_selection.csv
   

Dowloaded files path would be ./downloaded_epubs/<Language>/<Title> (<Author>) [<ISBN>].epub, which is parsed from the input file