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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 "${tmp}"
newn="${day}.gif"
month="$(date -d "$daysago days ago" +%m)"
server="http://www.gocomics.com/calvinandhobbes/$year/$month/$day"
nomen="$(wget ${wget_args} "$server" -O - | grep "class=\"strip\"" | \
sed 's#.*<img alt="Calvin and Hobbes"[^<]*src="\([^"]*\)".*#\1#')"
echo "Dateiname: $nomen"
echo
echo "Hole calvinandhobbes von $server"
echo "fuer Datum: $(date -d"$daysago days ago" -I)"
echo
wget ${wget_args} "$nomen" -O "$newn"
if [ -s "${tmp}/${newn}" ]; then
mv "${tmp}/${newn}" "${image_dir}/$newn"
rm -f "${comic_dir}/latest.gif"
ln -s "${image_offset}/$newn" "${comic_dir}/latest.gif"
fi
rm -rf "${tmp}"
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