calibre-update

#!/bin/bash
# <SCRIPTNAME>
# <WHAT DOES THIS SCRIPT DO?>

# Copyright (C) 2014-2015 Alexander Swen <alex@swen.nu>

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Alexander Swen
# Private contact: alex@swen.nu

# CHANGELOG:
# <DATE>	A.Swen	created.

# SETTINGS
date=$(date +%Y%m%d)
me=$(basename $0)
mydir=$(dirname $0)


# FUNCTIONS
die () {
  rc=$1
  shift
  echo "==========================">&2
  echo "====    FATAL  ERROR  ====" >&2
  echo "==========================">&2
  echo "" >&2
  echo $@ >&2
  exit $rc
}

usage () {
  echo "==========================" >&2
  echo "====       USAGE      ====" >&2
  echo "==========================" >&2
  echo "" >&2
  echo "Usage: ${me} <userfile>" >&2
  echo "" >&2
  echo "example: ${me} /tmp/userlist" >&2
  echo "" >&2
  exit 1
}

get_options () {
  [ $# -gt 0 ]||usage
  while getopts "s:d:D:u:g:" opt;do
    case ${opt} in
      u) export user=`echo ${OPTARG}` ;;
      *) usage;;
    esac
  done
}

duration () {
  before=$1
  after="$(date +%s)"
  elapsed="$(expr $after - $before)"
  hours=$(($elapsed / 3600))
  elapsed=$(($elapsed - $hours * 3600))
  minutes=$(($elapsed / 60))
  seconds=$(($elapsed - $minutes * 60))
  time_running="${hours}:${minutes}:${seconds}"
}

log_msg () {
  duration ${before_total}
  message="$1"
  echo "${time_running} $1"|tee -a ${short_log}
}

# SCRIPT
before_total="$(date +%s)"
log_msg "$(date) started ${me}"
# get_options $@

sudo python -c "import sys; py3 = sys.version_info[0] > 2; u = __import__('urllib.request' if py3 else 'urllib', fromlist=1); exec(u.urlopen('http://status.calibre-ebook.com/linux_installer').read()); main(install_dir='/opt')"
duration ${before_total}
log_msg "Total time taken: ${hours}:${minutes}:${seconds}"
log_msg "$(date) Backup finished"
# END