* lib/logger.rb: new file. Logger, formerly called devel-logger or

  Devel::Logger.

* sample/logger/*: new file.  samples of logger.rb.


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@4568 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 27 insertions, 0 deletions

diff --git a/sample/logger/log.rb b/sample/logger/log.rb
new file mode 100644
index 000000000..aab80e462
--- /dev/null
+++ b/sample/logger/log.rb
@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+
+require 'logger'
+
+log = Logger.new(STDERR)
+
+def do_log(log)
+  log.debug('do_log1') { "debug" }
+  log.info('do_log2') { "info" }
+  log.warn('do_log3') { "warn" }
+  log.error('do_log4') { "error" }
+  log.fatal('do_log6') { "fatal" }
+  log.unknown('do_log7') { "unknown" }
+end
+
+log.level = Logger::DEBUG	# Default.
+do_log(log)
+
+puts "Set severity threshold 'WARN'."
+
+log.level = Logger::WARN
+do_log(log)
+
+puts "Change datetime format.  Thanks to Daniel Berger."
+
+log.datetime_format = "%d-%b-%Y@%H:%M:%S"
+do_log(log)