Bash script to generate books from markdown in printable pdf, ebook pdf, epub, mobi and pdf preview formats

buildBook

#!/bin/bash

hash pandoc 2>/dev/null || { echo >&2 "Please install pandoc. Aborting."; exit 1; }
hash pdftk 2>/dev/null || { echo >&2 "Please install pdftk. Aborting."; exit 1; }
hash ebook-convert 2>/dev/null || { echo >&2 "Please install ebook-convert.  Aborting."; exit 1; }

SOURCE=Usable-Software-Design.md
PRINT_DESTINATION=Usable-Software-Design-print.pdf
PDF_DESTINATION=Usable-Software-Design.pdf
PREVIEW_DESTINATION=Usable-Software-Design-Preview.pdf
EPUB_DESTINATION=Usable-Software-Design.epub
MOBI_DESTINATION=Usable-Software-Design.mobi
BACKUP_DESTINATION="~/Dropbox/Book/Usable-Software-Design"

PRINT_COVER=cover.pdf
PRINT_BACK_COVER=back-cover.pdf
EBOOK_COVER=cover-ebook.pdf
EBOOK_BACK_COVER=back-cover-simple.pdf

MAIN_FONT="FreeSerif"
SANS_FONT="DejaVuSans"
MONO_FONT="Inconsolata"
FONT_SIZE=12pt
EPUB_TITLE=title.txt
EPUB_COVER=cover-ebook.png
PREVIEW_PAGE_RANGE=1-8

# Print version
echo "++++++++ Generate print version"
pandoc $SOURCE --toc --variable mainfont=$MAIN_FONT --variable sansfont=$SANS_FONT --variable monofont=$MONO_FONT --variable fontsize=$FONT_SIZE --smart --chapters --highlight-style=monochrome -V papersize=a4paper -V documentclass=book --normalize -o temp_print_book.pdf
if [ $? -ne 0 ]; then
    echo "Pdf generation failed. Please make sure the fonts you use are installed and available to your latex engine (eg. packages texlive-fonts-*). Aborting."; 
    exit 1;
fi

pdftk $PRINT_COVER temp_print_book.pdf $PRINT_BACK_COVER cat output $PRINT_DESTINATION
cp $PRINT_DESTINATION $BACKUP_DESTINATION
rm temp_print_book.pdf

# PDF Ebook version
echo "++++++++ Generate pdf ebook version"
pandoc $SOURCE --toc --variable mainfont=$MAIN_FONT --variable sansfont=$SANS_FONT --variable monofont=$MONO_FONT --variable fontsize=$FONT_SIZE --smart --chapters --highlight-style=monochrome -V papersize=a4paper -V documentclass=book -V geometry:margin=1in --normalize -o temp_ebook.pdf
pdftk $EBOOK_COVER temp_ebook.pdf $EBOOK_BACK_COVER cat output $PDF_DESTINATION
cp $PDF_DESTINATION $BACKUP_DESTINATION
rm temp_ebook.pdf

# EPUB version
echo "++++++++Generate epub version"
pandoc -S --toc $SOURCE $EPUB_TITLE --epub-cover-image=$EPUB_COVER -o $EPUB_DESTINATION
cp $EPUB_DESTINATION $BACKUP_DESTINATION

# Mobi version
echo "++++++++Generate mobi version"
ebook-convert $EPUB_DESTINATION $MOBI_DESTINATION --output-profile=kindle
cp $MOBI_DESTINATION $BACKUP_DESTINATION

# Extracted PDF preview version
echo "++++++++Generate pdf preview version"
pdftk $PDF_DESTINATION cat $PREVIEW_PAGE_RANGE output $PREVIEW_DESTINATION
cp $PREVIEW_DESTINATION $BACKUP_DESTINATION

# Backup source 
echo "++++++++Backing up"
cp $SOURCE $BACKUP_DESTINATION/$DESTINATION 

echo "++++++++Done"