Simple Templater in Bash

templater.sh

#!/bin/bash

TEMPLATE_DIR='src/templates/'
PAGE_DIR='src/pages/'
DEST_DIR='src/'

for page in `ls ${PAGE_DIR}`
do
  echo ${page}
  contents=`cat ${PAGE_DIR}${page}`
  for template in `grep {{.*}} ${PAGE_DIR}${page}`
  do
    template_file=`echo ${template} | sed s/{{//g | sed s/}}/.frag/g`
    template_contents=`cat ${TEMPLATE_DIR}${template_file} | tr '\n' '\r'`
    temp=`echo "${contents}" | sed -e s/${template}/"%s"/g`
    contents=`printf "${temp}" "${template_contents}"`
  done
  echo "${contents}" > ${DEST_DIR}${page}
done