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= i_can_daemonize == DESCRIPTION: ICanDaemonize makes it dead simple to create daemons of your own. == REQUIREMENTS: * A Computer * Ruby == INSTALL: * Get ICanDaemonize off github == THE BASICS: require 'rubygems' require 'i_can_daemonize' class MyDaemonClass include ICanDaemonize daemonize do # your code here end end Run your daemon ruby your_daemon_script start ICD will create a log file in log/ called your_daemon_script.log as well as a pid file in log called your_daemon_script.pid It will essentially run the block given to daemonize within a loop. == USAGE: The daemonize method accepts a number of options see ICanDaemonize::ClassMethods daemonize() for options There are a number of other blocks you can define in your class as well, including: before do/end after do/end die_if do/end exit_if do/end See ICanDaemonize docs for more info on these options. Your daemon can be called with a number of options --loop-every SECONDS How long to sleep between each loop -t, --ontop Stay on top (does not daemonize) --instances=NUM Allow multiple instances to run simultaneously? 0 for infinite. default: 1 --log-file=LOGFILE Logfile to log to --pid-file=PIDFILE Directory to put pidfile -h, --help Show this message You can add your own command line options by using the 'arg' class macro. See http://www.ruby-doc.org/stdlib/libdoc/optparse/rdoc/classes/OptionParser.html for more info on OptionParser. arg('--scott-rocks', 'Does scott rock?') do |value| @scott_rocks = value end == BUGS: My method names may be too common to be included class methods ICanDaemonize attempts to capture all STDOUT or STDERR and prepend that output with a timestamp and PID. I don't like how this was implemented anyway. Feels dirty. == LICENSE: (The MIT License) Copyright (c) 2009 Adam Pisoni, Amos Elliston Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.