Converting PDF file into booklet.

pdf2book

#!/bin/bash
# pdf2book: Converting PDF file into booklet

ERR=0

for i in pdftops psbook psnup; do
    if [ ! "$(which $i)" ]; then
        echo Error: $i not found
        ERR=1
    fi
done

[ "$ERR" -eq 1 ] && exit 1

FILE_PDF="$1"
FILE_PS="${FILE_PDF%%.pdf}-book.ps"

#pdftops "$FILE_PDF" - | psbook | psnup -2 >$FILE_PS
pdftops -level3 -paper A4 "$FILE_PDF" - | psbook | psnup -2 >"$FILE_PS"

cat <<EOF
Print:
    lp -o page-set=even -o outputorder=reverse "$FILE_PS"
    lp -o page-set=odd "$FILE_PS" && rm "$FILE_PS"
EOF

#echo "Do you wish to continue? (y/n)"
read -n1 -t10 -p "Print this document? [y/N]: " answer
echo

case $answer in
    Y|y)
        echo OK
        ;;
    N|n)
        echo No
        ;;
    *)
        ;;
esac