#!/usr/bin/env ruby
require 'logger'
class MyApp < Logger::Application
def initialize(a, b, c)
super('MyApp')
# Set logDevice here.
logfile = 'app.log'
self.log = logfile
self.level = INFO
# Initialize your application...
@a = a
@b = b
@c = c
end
def run
@log.info { 'Started.' }
@log.info { "This block isn't evaled because 'debug' is not severe here." }
@log.debug { "Result = " << foo(0) }
@log.info { "So nothing is dumped." }
@log.info { "This block is evaled because 'info' is enough severe here." }
@log.info { "Result = " << foo(0) }
@log.info { "Above causes exception, so not reached here." }
@log.info { 'Finished.' }
end
private
def foo(var)
1 / var
end
end
status = MyApp.new(1, 2, 3).start
if status != 0
puts 'Some error(s) occured.'
puts 'See "app.log".'
end
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