script to crop PDFs with briss

crop.sh

#!/usr/bin/env bash
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
BRISS="${DIR}/briss-0.9-sakin-1/briss-0.9.jar"
JPATH="$(which java)"

#get list of all non-cropped PDFs
pdfs="$(find ${DIR} -type f -name "*.pdf" | grep -v "cropped")"

#number of documents cropped
count=0
fail=0

for pdf in $pdfs
do
    #define some variables
    fullname=$(basename "${pdf}")
    filedir=$(dirname "${pdf}")
    filename="${fullname%.*}"
    filecropped="${filedir}/${filename}_cropped.pdf"

    #check to see if cropped file does not exist
    if [ ! -s ${filecropped} ];
    then
        echo "Cropping ${filename}"
        #crop the pdf and indent the output
        ${JPATH} -jar ${BRISS} -2 -s ${pdf} -d ${filecropped} | sed -e 's/^/\t/'
        if [ -s ${filecropped} ];
        then
            ((count++))
        else
            echo "Failed: ${filename}"
            ((fail++))
            rm $filecropped
        fi
    fi
done

if [ $count -gt 0 ];
then
    echo "${count} Documents Cropped!"
else
    echo "No Documents Cropped!"
fi

if [ $fail -gt 0 ];
then
    echo "${fail} Documents Failed!"
fi