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#!/bin/bash
if [ -z "$1" -o ! -d "$1" ]; then
echo "Usage: $0 <top-directory> [<days ago>]" 1>&2
exit 1
fi
top="${1}"
shift
source "${top}/etc/settings.sh"
tmp="$(mktemp -d)"
cd "${tmp}"
browser="Mozilla/5.0 (Windows NT 10.0; WOW64; rv:46.0) Gecko/20100101 Firefox/46.0"
date="$(date -d "$daysago days ago" +%Y%m%d)"
newn="${day}.gif"
# get image link
page="http://ars.userfriendly.org/cartoons/?id=${date}"
page_regex="<a href=\"/cartoons/?id=${date}\">"
url_regex='.*<img[^>]*src="\([^"]*\)".*'
img=$(wget ${wget_args} -U "$browser" -O - "${page}" | grep "${page_regex}" | sed "s#${url_regex}#\1#")
if [ -n "${img}" ]; then
echo "Hole userfriendly von $img"
echo "fuer Datum: $(date -d"$daysago days ago" -I)"
echo
wget ${wget_args} "${img}" -U "$browser" -O "${newn}"
if [ -s "${tmp}/${newn}" ]; then
mv "${tmp}/${newn}" "${image_dir}/$newn"
rm -f "${comic_dir}/latest.gif"
ln -s "${image_offset}/$newn" "${comic_dir}/latest.gif"
fi
fi
rm -rf "${tmp}"
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