reciepts.sh

#!/bin/bash

# execute this in the same directory that the report you wish to modify resides

command -v pdftk >/dev/null 2>&1 || { echo >&2 "pdftk not installed, aborting."; exit 1; }
command -v convert >/dev/null 2>&1 || { echo >&2 "convert not installed, aborting."; exit 1; }
command -v jpegoptim >/dev/null 2>&1 || { echo >&2 "jpegoptim not installed, aborting."; exit 1; }

rm *final*.pdf
echo "please select file to convert:"
select FILENAME in *pdf;
do
	echo "processing: $FILENAME"

	echo "enter number of pages to strip:"
	read STRIP
	let "STRIP=STRIP+1"

	PAGETOTAL=`pdftk $FILENAME dump_data | grep NumberOfPages | sed 's/[^0-9]*//'`

	echo "stripping pages"
	pdftk $FILENAME cat $STRIP-$PAGETOTAL output temp.pdf
	echo "converting to jpg"
	convert temp.pdf temp.jpg
	echo "optimizing jpgs"
	jpegoptim -q --size=40k *jpg
	COMBINE="convert"

	FILECOUNT=1
	PAGECOUNT=0
	for i in `ls -v *jpg`; do
		let "PAGECOUNT=PAGECOUNT+1"
		COMBINE="${COMBINE} $i"
		if (( PAGECOUNT>=50 )); then
			COMBINEDFILE="${FILENAME::-4}_final_$FILECOUNT.pdf"
			COMBINE="${COMBINE} $COMBINEDFILE"
			echo "converting jpgs to pdf"
			`$COMBINE`
			COMBINE="convert"
			let "FILECOUNT=FILECOUNT+1"
			let PAGECOUNT=0
		fi
	done
	COMBINEDFILE="${FILENAME::-4}_final_$FILECOUNT.pdf"
	COMBINE="${COMBINE} $COMBINEDFILE"
	echo "converting jpgs to pdf"
	`$COMBINE`
	echo "cleaning up"
	rm temp*
	exit 0
done