2008-10-25 20:44:13 +04:00
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.\"Ruby is copyrighted by Yukihiro Matsumoto <matz@netlab.jp>.
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.Dd October 25, 2008
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.Dt IRB(1) "" "Ruby Programmers Reference Guide"
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.Os UNIX
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.Sh NAME
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.Nm irb
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.Nd Interactive Ruby Shell
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.Sh SYNOPSIS
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.Nm
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.Op Fl -version
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.Op Fl Idfmrv
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.Op Fl - Ns Oo no Oc Ns inspect
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.Op Fl - Ns Oo no Oc Ns readline
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.Op Fl -prompt Ar mode
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.Op Fl -prompt-mode Ar mode
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.Op Fl -inf-ruby-mode
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.Op Fl -simple-prompt
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.Op Fl -noprompt
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.Op Fl -tracer
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.Op Fl -back-trace-limit Ar n
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.Op Fl -irb_debug Ar n
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.Op Fl -
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.Op program_file
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.Op argument ...
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.Pp
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.Sh DESCRIPTION
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irb is the REPL(read-eval&print loop) environment for Ruby programs.
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.Pp
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.Sh OPTIONS
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.Bl -tag -width "1234567890123" -compact
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.Pp
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.It Fl d
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Sets
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.Li $DEBUG
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to true (same as `ruby -d')
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.Pp
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.It Fl f
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Suppresses read of ~/.irbrc
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.Pp
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.It Fl m
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Bc mode (load mathn, fraction or matrix are available)
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.Pp
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2008-11-29 17:26:47 +03:00
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.It Fl r Ar load-module
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2008-10-25 20:44:13 +04:00
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Same as `ruby -r'
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.Pp
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.It Fl I Ar path
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Specifies
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.Li $LOAD_PATH
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directory
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.Pp
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.It Fl -inspect
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Uses `inspect' for output (default except for bc mode)
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.Pp
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.It Fl -noinspect
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Doesn't use inspect for output
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.Pp
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.It Fl -readline
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Uses Readline extension module.
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.Pp
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.It Fl -noreadline
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Doesn't use Readline extension module.
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.Pp
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.It Fl -prompt Ar mode
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.It Fl -prompt-mode Ar mode
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Switch prompt mode. Pre-defined prompt modes are
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`default', `simple', `xmp' and `inf-ruby'.
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.Pp
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.It Fl -inf-ruby-mode
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Uses prompt appropriate for inf-ruby-mode on emacs.
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Suppresses --readline.
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.Pp
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.It Fl -simple-prompt
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Makes prompts simple.
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.Pp
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.It Fl -noprompt
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No prompt mode.
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.Pp
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.It Fl -tracer
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Displays trace for each execution of commands.
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.Pp
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.It Fl -back-trace-limit Ar n
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Displays backtrace top
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.Ar n
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and tail
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.Ar n Ns .
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The default value is 16.
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.Pp
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.It Fl -irb_debug Ar n
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Sets internal debug level to n (not for popular use)
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.Pp
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.El
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.Pp
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.Sh ENVIRONMENT
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.Bl -tag -width "RUBYLIB_PREFIX" -compact
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.It Ev IRBRC
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.Pp
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.El
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.Pp
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Also
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.Nm
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depends on same variables as
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.Xr ruby 1 .
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.Pp
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.Sh FILES
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.Bl -tag -width "RUBYLIB_PREFIX" -compact
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.It Pa ~/.irbrc
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Personal irb initialization.
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.Pp
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.El
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.Pp
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.Sh SEE ALSO
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.Xr ruby 1 .
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.Pp
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.Sh REPORTING BUGS
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.Bl -bullet
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.Li Security vulnerabilities should be reported via an email to
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.Aq security@ruby-lang.org Ns
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.Li .
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Reported problems will be published after fixed.
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.Pp
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.Li And you can report other bugs and feature requests via the
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Ruby Issue Tracking System (http://redmine.ruby-lang.org).
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Do not report security vulnerabilities
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via the system because it publishes the vulnerabilities immedately.
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.El
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.Sh AUTHORS
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Written by Keiju ISHITSUKA.
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