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Raspberry Pi GPIO Web Control / cron.conf.MAY_BE_CHANGED

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# Copyright 2012 der-bub.de
# http://www.der-bub.de
# Author: Sebastian Bub (sebastian@der-bub.de)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
# - see http://quartz-scheduler.org/documentation/quartz-2.1.x/tutorials/crontrigger
# - syntax is crontab like (but with seconds)
# - use double colons to split between schedule and command (GET parameter syntax)
# - output ports are written (single equal sign)
# - input ports act like an "if" (when used as conditions (see README.md))
# - multiple conditions are concatinated with AND
# - you may define your own variables with a prefix VIRTUAL (see example) which are persisted in memory
# - unknown virtual variables default to "0"
# - parsing is done from left to right (you probably want your conditions come first (before output port))
#
# Samples
#
# Fire at 10:15am every day (g0 and g1 are both output ports and both are set)
# 0 15 10 ? * *         :: g0=1&g1=1
#
# Fire at 10:15am every day (g0 is an output and g1 is input: g0 is only set if g1=1)
# 0 15 10 ? * *         :: g1==1&g0=1
#
# Fire at 10:15am every day during the year 2005
# 0 15 10 * * ? 2005    :: g0=1
#
#
# Fire between 16:00 and 21:00 every minute, but only set lamp1out if not already set and dark enough
# 0 * 16-21 ? * *         :: VIRTUALlamp1alreadyOn==0&darknessSensor1in==1&lamp1out=1&VIRTUALlamp1alreadyOn=1
# Fire at 22:00 and turn off lamp1out
# 0 0 22 ? * *            :: lamp1out=0&VIRTUALlamp1alreadyOn=0