Single-command shell script to split a PDF into single pages (based on PDFTK)

burst.sh

#!/bin/bash
# (c) Bjoern Rueffer 2012

function usagetext()
{
    cat<<EOF
Usage: $0 [-d] filename.pdf

Will burst a file into single pages, numbered as filename_##.pdf. If -d
is specified, filename.pdf will be deleted afterwards.
EOF
}

function do_burst()
{
    file="$1"
    if [ ! -e "$file" ]; then 
	echo Error: File "$file" does not exist.
	exit 1
    fi    
    pdftk "$file" burst output "${file%%.pdf}"_%02d.pdf
}

if [ $# -lt 1 ]; then
    usagetext
elif [ $1 = -d ]; then
    shift
    do_burst "$1" && rm "$1"
else
    do_burst "$1"
fi