Skip to content

Instantly share code, notes, and snippets.

@riggaroo
Last active January 8, 2017 18:57
Show Gist options
  • Save riggaroo/1f84b1ba920f5bb5db51c98236101d95 to your computer and use it in GitHub Desktop.
Save riggaroo/1f84b1ba920f5bb5db51c98236101d95 to your computer and use it in GitHub Desktop.
Script for creating book dash books from PDF for android app.
#/usr/local/bin/bash
# Prerequistes: You need to install imagemagick and pdfimages for this script to work
# Usage - ./convert_book.sh pdf_name.pdf
# output - zip file with images and bookdetails.json file
# This script assumes the normal structure of a book dash book and wont work for bigger books or books with different formatting to the standard book dash book
# it is always advised to check the output zipped file to ensure its correct
folderName=$(basename "$1")
folderName="${folderName%.*}"
echo $folderName
echo "Creating folder for book"
mkdir $folderName
mkdir $folderName/images
convert -colorspace rgb -density 120 -background white -alpha remove $1 -scene 1 $folderName/images/Page_%02d.jpg
for i in {03..17};
do
convert $folderName/images/Page_${i}.jpg -crop 50x100% -delete 1 +repage -set filename:original %t $folderName/images/%[filename:original]a.jpg
convert $folderName/images/Page_${i}.jpg -flop -crop 50x100% -flop -delete 1 +repage -set filename:original %t $folderName/images/%[filename:original]b.jpg
convert $folderName/images/Page_${i}a.jpg -scale 700x700 $folderName/images/Page_${i}a.jpg
rm $folderName/images/Page_${i}.jpg
done
imagesToSplit=`ls $folderName/images/*.jpg`
for i in ${imagesToSplit};
do
convert ${i} -scale 700x700 {i}
done
#create Bookdetails.json
bookDescriptonJson='{
"pages": [
{
"pageNumber": 0,
"image": "/images/Page_01.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 1,
"image": "/images/Page_03a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 2,
"image": "/images/Page_03b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 3,
"image": "/images/Page_04a.jpg",
"audio": null,
"text": ""
},
{
"pageNumber": 4,
"image": "/images/Page_04b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 5,
"image": "/images/Page_05a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 6,
"image": "/images/Page_05b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 7,
"image": "images/Page_06a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 8,
"image": "/images/Page_06b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 9,
"image": "/images/Page_07a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 10,
"image": "/images/Page_07b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 11,
"image": "/images/Page_08a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 12,
"image": "/images/Page_08b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 13,
"image": "/images/Page_09a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 14,
"image": "/images/Page_09b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 15,
"image": "/images/Page_10a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 16,
"image": "/images/Page_10b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 17,
"image": "/images/Page_11a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 18,
"image": "/images/Page_11b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 19,
"image": "/images/Page_12a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 20,
"image": "/images/Page_12b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 21,
"image": "/images/Page_13a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 22,
"image": "/images/Page_13b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 23,
"image": "/images/Page_14a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 24,
"image": "/images/Page_14b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 25,
"image": "/images/Page_15a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 26,
"image": "/images/Page_15b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 27,
"image": "/images/Page_16a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 28,
"image": "/images/Page_16b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 29,
"image": "/images/Page_17a.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 30,
"image": "/images/Page_17b.jpg",
"audio": null,
"text": null
},
{
"pageNumber": 31,
"image": "/images/Page_18.jpg",
"audio": null,
"text": null
}
]
}'
echo "Creating bookdetails.json"
echo $bookDescriptonJson > $folderName/bookdetails.json
echo "Zipping up folder"
zip -r $folderName $folderName
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment