81 lines
2.1 KiB
Bash
Executable File
81 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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COVER_URL=https://www.cl.cam.ac.uk/~rja14/Papers/SEv3-cover.pdf
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FINAL_PDF=security-engineering-3rd-edition.pdf
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INPUT_FILE="urls.txt"
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function assert_installed() {
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for var in "$@"; do
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if ! which $var &> /dev/null; then
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echo "Install $var!"
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exit 1
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fi
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done
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}
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assert_installed wget pdftk
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if [[ $@ == *'--download-cover-image'* ]]; then
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echo "Downloading cover image"
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assert_installed convert
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wget --quiet --timestamping "$COVER_URL" --output-document cover.pdf
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echo "Cover Image downloaded"
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fi
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declare -a FILES_LIST
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while IFS= read -r line
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do
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FILENAME=$(basename "$line")
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FILES_LIST+=("$FILENAME")
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done < "$INPUT_FILE"
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echo "Starting PDF download"
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wget --quiet --timestamping --input-file "urls.txt"
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echo "All PDFs downloaded"
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pdftk cover.pdf ${FILES_LIST[@]} cat output temp.pdf
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echo "PDF files combined"
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if [[ $@ == *'--generate-metadata'* ]]; then
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assert_installed qpdf
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echo "InfoBegin" > meta.txt
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echo "InfoKey: Title" >> meta.txt
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echo "InfoValue: Security Engineering — Third Edition" >> meta.txt
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echo "InfoBegin" >> meta.txt
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echo "InfoKey: Author" >> meta.txt
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echo "InfoValue: Ross Anderson" >> meta.txt
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## We start from page 2 because first is cover and it is not included in urls.txt
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PAGE_NUM=2
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echo "BookmarkBegin" >> meta.txt
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echo "BookmarkTitle: Cover" >> meta.txt
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echo "BookmarkLevel: 1" >> meta.txt
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echo "BookmarkPageNumber: 1" >> meta.txt
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chapter_id=0
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readarray -t TITLES < titles.txt
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while IFS= read -r line
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do
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FILENAME=$(basename "$line")
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PAGES=$(qpdf --show-npages "$FILENAME")
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BOOKMARK_TITLE="${TITLES[$chapter_id]}"
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echo "BookmarkBegin" >> meta.txt
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echo "BookmarkTitle: $BOOKMARK_TITLE" >> meta.txt
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echo "BookmarkLevel: 1" >> meta.txt
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echo "BookmarkPageNumber: $PAGE_NUM" >> meta.txt
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chapter_id=$((chapter_id+1))
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PAGE_NUM=$((PAGE_NUM+PAGES))
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done < "$INPUT_FILE"
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echo "Metadata updated"
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fi
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echo "Bookmarks attached to PDF"
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pdftk temp.pdf update_info meta.txt output $FINAL_PDF
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rm temp.pdf
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echo "PDF File generated: $FINAL_PDF"
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