# # irb/lc/help-message.rb - # $Release Version: 0.7.3$ # $Revision: 1.1.1.1 $ # $Date: 2002/05/27 17:59:49 $ # by Keiju ISHITSUKA(keiju@ishitsuka.com) # # -- # # # Usage: irb.rb [options] [programfile] [arguments] -f suppress read ~/.irbrc -m bc mode (load mathn, fraction or matrix are available) -d set $DEBUG to true (same as `ruby -d') -r load-module same as `ruby -r' --inspect uses `inspect' for output (the default except bc mode) --noinspect doesn't uses inspect for output --readline uses Readline extension module --noreadline doesn't use Readline extension module --prompt prompt-mode --prompt-mode prompt-mode switches prompt mode. Pre-defined prompt modes are `default', `simple', `xmp' and `inf-ruby' --inf-ruby-mode uses prompt appreciate for inf-ruby-mode on emacs. Suppresses --readline. --simple-prompt simple prompt mode --noprompt no prompt --tracer display trace for each execution of commands. --back-trace-limit n displayes backtrace top n and tail n. The default value is 16. --irb_debug n sets internal debug level to n (It shouldn't be used) -v, --version prints the version of irb