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# :stopdoc:
#
# The formatting of log messages is controlled by the layout given to the
# appender. By default all appenders use the Basic layout. It's pretty
# basic. However, a more sophisticated Pattern layout can be used or one of
# the Parseable layouts -- JSON or YAML.
#
# The available layouts are:
#
# Logging.layouts.basic
# Logging.layouts.pattern
# Logging.layouts.json
# Logging.layouts.yaml
#
# After you configure a layout, you can reuse that layout among different
# appenders if you so choose. This enables you to have some the style of log
# output being sent to multiple destinations.
#
# We will store a Layout instance in a local variable, and then pass that
# instance to each appender.
#
require 'logging'
# create our pattern layout instance
layout = Logging.layouts.pattern \
:pattern => '[%d] %-5l %c: %m\n',
:date_pattern => '%Y-%m-%d %H:%M:%S'
# only show "info" or higher messages on STDOUT using our layout
Logging.appenders.stdout \
:level => :info,
:layout => layout
# send all log events to the development log (including debug) using our layout
Logging.appenders.rolling_file \
'development.log',
:age => 'daily',
:layout => layout
log = Logging.logger['Foo::Bar']
log.add_appenders 'stdout', 'development.log'
log.level = :debug
log.debug "a very nice little debug message"
log.info "things are operating normally"
log.warn "this is your last warning"
log.error StandardError.new("something went horribly wrong")
log.fatal "I Die!"
# :startdoc:
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42 entries across 34 versions & 3 rubygems