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* man/irb.1: new manual page.

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Sun Oct 26 01:42:45 2008 Yuki Sonoda (Yugui) <yugui@yugui.jp>
* man/irb.1: new manual page.
Sun Oct 26 00:11:48 2008 Yuki Sonoda (Yugui) <yugui@yugui.jp>
* man/ruby.1: moved into man/. added some descriptions.

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.\"Ruby is copyrighted by Yukihiro Matsumoto <matz@netlab.jp>.
.Dd October 25, 2008
.Dt IRB(1) "" "Ruby Programmers Reference Guide"
.Os UNIX
.Sh NAME
.Nm irb
.Nd Interactive Ruby Shell
.Sh SYNOPSIS
.Nm
.Op Fl -version
.Op Fl Idfmrv
.Op Fl - Ns Oo no Oc Ns inspect
.Op Fl - Ns Oo no Oc Ns readline
.Op Fl -prompt Ar mode
.Op Fl -prompt-mode Ar mode
.Op Fl -inf-ruby-mode
.Op Fl -simple-prompt
.Op Fl -noprompt
.Op Fl -tracer
.Op Fl -back-trace-limit Ar n
.Op Fl -irb_debug Ar n
.Op Fl -
.Op program_file
.Op argument ...
.Pp
.Sh DESCRIPTION
irb is the REPL(read-eval&print loop) environment for Ruby programs.
.Pp
.Sh OPTIONS
.Bl -tag -width "1234567890123" -compact
.Pp
.It Fl d
Sets
.Li $DEBUG
to true (same as `ruby -d')
.Pp
.It Fl f
Suppresses read of ~/.irbrc
.Pp
.It Fl m
Bc mode (load mathn, fraction or matrix are available)
.Pp
.It Fl -r Ar load-module
Same as `ruby -r'
.Pp
.It Fl I Ar path
Specifies
.Li $LOAD_PATH
directory
.Pp
.It Fl -inspect
Uses `inspect' for output (default except for bc mode)
.Pp
.It Fl -noinspect
Doesn't use inspect for output
.Pp
.It Fl -readline
Uses Readline extension module.
.Pp
.It Fl -noreadline
Doesn't use Readline extension module.
.Pp
.It Fl -prompt Ar mode
.It Fl -prompt-mode Ar mode
Switch prompt mode. Pre-defined prompt modes are
`default', `simple', `xmp' and `inf-ruby'.
.Pp
.It Fl -inf-ruby-mode
Uses prompt appropriate for inf-ruby-mode on emacs.
Suppresses --readline.
.Pp
.It Fl -simple-prompt
Makes prompts simple.
.Pp
.It Fl -noprompt
No prompt mode.
.Pp
.It Fl -tracer
Displays trace for each execution of commands.
.Pp
.It Fl -back-trace-limit Ar n
Displays backtrace top
.Ar n
and tail
.Ar n Ns .
The default value is 16.
.Pp
.It Fl -irb_debug Ar n
Sets internal debug level to n (not for popular use)
.Pp
.El
.Pp
.Sh ENVIRONMENT
.Bl -tag -width "RUBYLIB_PREFIX" -compact
.It Ev IRBRC
.Pp
.El
.Pp
Also
.Nm
depends on same variables as
.Xr ruby 1 .
.Pp
.Sh FILES
.Bl -tag -width "RUBYLIB_PREFIX" -compact
.It Pa ~/.irbrc
Personal irb initialization.
.Pp
.El
.Pp
.Sh SEE ALSO
.Xr ruby 1 .
.Pp
.Sh REPORTING BUGS
.Bl -bullet
.Li Security vulnerabilities should be reported via an email to
.Aq security@ruby-lang.org Ns
.Li .
Reported problems will be published after fixed.
.Pp
.Li And you can report other bugs and feature requests via the
Ruby Issue Tracking System (http://redmine.ruby-lang.org).
Do not report security vulnerabilities
via the system because it publishes the vulnerabilities immedately.
.El
.Sh AUTHORS
Written by Keiju ISHITSUKA.