process.sh

#!/bin/bash

if [ -z "${1}" ] || [ -z "${2}" ] || [ "${1}" == "-h|--help" ]
then
  echo "Usage:"
  echo "  process.sh /path/to/calibre.recipe Title"
  exit 0
fi

# Define as environment variables or define here:
# MAIL_FROM = ""
# MAIL_TO = ""

RECIPE_PATH="$1"
TITLE="${@:2}"
DATE_SHORT=`date '+%Y-%m-%d'`
DATE_LONG=`date '+%a, %d %b %Y'`

FETCHED_DIR_PATH="${HOME}/calibre-fetched"
if [ ! -d ${FETCHED_DIR_PATH} ]
then
  mkdir ${FETCHED_DIR_PATH}
fi

OUTPUT_FILE="${FETCHED_DIR_PATH}/${TITLE}-${DATE_SHORT}.epub"

ebook-convert "${RECIPE_PATH}" "${OUTPUT_FILE}" \
  --title "${TITLE} [${DATE_LONG}]" \
  --change-justification justify \
  --output-profile kindle_oasis && \
  ebook-polish --add-soft-hyphens "${OUTPUT_FILE}" "${OUTPUT_FILE}" && \
  echo "" | mail -a"From:$MAIL_FROM" \
    -s "[pinboard-to-kindle] ${TITLE} ${DATE_SHORT}" \
    -A "${OUTPUT_FILE}" "${MAIL_TO}"