convert mkv movie files to h264 compressed versions in 720p

bulkConvert.sh

#!/bin/bash

STOREDIR="smaller/"
OUTPUTFORMAT=".mkv"
SEARCHPATH="*"
mkdir -p ${STOREDIR}

if [ -z "$1" ]
then
    echo "No arguments given"
else
    args="$1"
    if [ $args == "-r" ]; then
	SEARCHPATH="*/*"
    fi
fi

shopt -s nullglob
for i in $SEARCHPATH.mkv;
do name=`echo $i | cut -d'/' -f1 | rev | cut -d'.' -f2- | rev`;
   echo $name;
   FD="${STOREDIR}${name}${OUTPUTFORMAT}"
   replace_with="720p"
   FD="${FD/1080p/$replace_with}"
   #echo $FD;
   if [ ! -f "${FD}" ];
   then ffmpeg -i "$i" -c:v h264 -map 0 -c:a libmp3lame -b:a 192k -s hd720 "${FD}";
   fi
   
done