See log4r/formatter/patternformatter.rb
Matches the first directive encountered and the stuff around it.
$1 is the stuff before directive or "" if not applicable
$2 is the directive group or nil if there's none
$3 is the %#.# match within directive group
$4 is the .# match which we don't use (it's there to match properly)
$5 is the directive letter
$6 is the stuff after the directive or "" if not applicable
$7 is the remainder
Arguments to sprintf keyed to directive letters<br> %c - event short name<br> %C - event fullname<br> %d - date<br> %g - Global Diagnostic Context (GDC)<br> %t - trace<br> %m - message<br> %h - thread name<br> %p - process ID aka PID<br> %M - formatted message<br> %l - Level in string form<br> %x - Nested Diagnostic Context (NDC)<br> %X - Mapped Diagnostic Context (MDC), syntax is "%X{key}"<br> %% - Insert a %<br>
default date format
Accepts the following hash arguments (either a string or a symbol):
A pattern format string.
A Time#strftime format string. See the Ruby Time class for details.
As an option to date_pattern, specify which Time.now method to call. For example, usec or to_s. Specify it as a String or Symbol.
The default date format is ISO8601, which looks like this:
yyyy-mm-dd hh:mm:ss => 2001-01-12 13:15:50
# File lib/log4r/formatter/patternformatter.rb, line 79 def initialize(hash={}) super(hash) @pattern = (hash['pattern'] or hash[:pattern] or nil) @date_pattern = (hash['date_pattern'] or hash[:date_pattern] or nil) @date_method = (hash['date_method'] or hash[:date_method] or nil) @date_pattern = ISO8601 if @date_pattern.nil? and @date_method.nil? PatternFormatter.create_format_methods(self) end
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