IngRRD/lib/readold
2015-02-06 17:10:02 +01:00

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#!/bin/bash
# IngRRD (https://forge.riquer.fr/p/ingrrd/)
# Copyright (C) 2014-2015 Vincent Riquer
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
readold() {
local when=$1 \
line \
dataindex \
empty \
id \
LANG=C
{
read line
dataindex=( $line )
read empty
read first['time'] $(
for id in ${dataindex[@]}
do
echo "first['"$id"']"
done
)
} < <(
rrdtool fetch -s "$when" "$rrdfile" AVERAGE | sed '/: nan/d'
)
}