From 1f6f2325f8985271d9c36d75b70852a30f1ecd6a Mon Sep 17 00:00:00 2001
From: keiju <keiju@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 9 Jul 2002 11:22:04 +0000
Subject: * irb 0.9(doc)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2628 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 doc/irb/irb.rd | 51 ++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 36 insertions(+), 15 deletions(-)

(limited to 'doc/irb/irb.rd')

diff --git a/doc/irb/irb.rd b/doc/irb/irb.rd
index 522bbef555..731c44eec8 100644
--- a/doc/irb/irb.rd
+++ b/doc/irb/irb.rd
@@ -1,5 +1,5 @@
 irb -- interactive ruby
-				$Release Version: 0.5 $
+				$Release Version: 0.9 $
 			   	$Revision$
 			   	$Date$
 			   	by Keiju ISHITSUKA(keiju@ishitsuka.com)
@@ -48,7 +48,12 @@ is the standard default action if Readline is installed.
   -f		    suppress read ~/.irbrc 
   -m		    bc mode (fraction or matrix are available)
   -d                set $DEBUG  to true (same as `ruby -d')
+  -Kc		    same as `ruby -Kc'
   -r load-module    same as `ruby -r'
+  --verbose	    command input is echoed(default)
+  --noverbose	    command input isn't echoed
+  --echo	    commands are echoed immediately before execution(default)
+  --noecho	    commands aren't echoed immediately before execution
   --inspect	    uses `inspect' for output (the default except bc mode)
   --noinspect	    doesn't uses inspect for output
   --readline	    uses Readline extension module
@@ -56,7 +61,7 @@ is the standard default action if Readline is installed.
   --prompt prompt-mode
   --prompt-mode prompt-mode
 		    switches prompt mode. Pre-defined prompt modes are
-		    `deflaut', `simple', `xmp' and `inf-ruby'
+		    `default', `simple', `xmp' and `inf-ruby'
 			    
   --inf-ruby-mode   uses prompt appreciate for inf-ruby-mode on emacs. 
 		    Suppresses --readline. 
@@ -69,8 +74,6 @@ is the standard default action if Readline is installed.
   --irb_debug n	    sets internal debug level to n (It shouldn't be used)
   -v, --version	    prints the version of irb
 
-
-
 = Configurations
 
 irb reads `~/.irbrc' when it is invoked. If `~/.irbrb' doesn't exist
@@ -160,12 +163,17 @@ For irb commands, both simple name and `irb_'-prefixed name are prepared.
 
 --- exit, quit, irb_exit	
     Quits (sub)irb. 
-    if you've done cb (see below), exit from the binding mode.
 
 --- conf, irb_context
     Displays current configuration. Modifing the configuration is
     achieved by sending message to `conf'. 
 
+--- conf.eval_history = N
+    Sets execution result history.
+    N is a integer or nil. If N > 0, the number of historys is N. 
+    If N == 0, the number of historys is unlimited. If N is nill,
+    execution result history isn't used(default).
+
 --- conf.back_trace_limit
     Sets display lines of backtrace as top n and tail n. 
     The default value is 16.
@@ -193,9 +201,6 @@ For irb commands, both simple name and `irb_'-prefixed name are prepared.
     nil:   inspect mode in non math mode, 
            non inspect mode in math mode. 
 
---- conf.irb_level
-    The level of cb. 
-
 --- conf.math_mode
     Whether bc mode or not. 
 
@@ -223,13 +228,19 @@ For irb commands, both simple name and `irb_'-prefixed name are prepared.
     true: uses 
     false: doen't use
     nil: intends to use readline except for inf-reuby-mode (default)
+#
+#--- conf.verbose=T/F
+#    Whether verbose messages are display or not. 
 
---- conf.verbose=T/F
-    Whether verbose messages are display or not. 
+--- cws, chws, irb_change_workspace [obj]
+    obj will be self. If obj is omitted, self will be home-object, or
+    the main object of first started irb.
 
---- cb, irb_change_binding [obj]
-    Enter new binding which has a distinct scope of local variables. 
-    If obj is given, obj will be self. 
+--- pushws, irb_pushws, irb_push_workspace [obj]
+    same as UNIX-shell command pushd.
+
+--- popws, irb_popws, irb_pop_workspace
+    same as UNIX-shell command popd
 
 --- irb [obj]
     Invoke subirb. If obj is given, obj will be self. 
@@ -248,10 +259,20 @@ For irb commands, both simple name and `irb_'-prefixed name are prepared.
 --- kill n, irb_kill n
     Kill subirb. The means of n is as same as the case of irb_fg. 
 
-= System variable
+--- souce, irb_source  path
+    This is a like UNIX-shell command source. evaluate script in path
+    on current context.
 
-   _  The latest value of evaluation (it is local)
+--- irb_load path, prev
+    irb-version of Ruby's load.
+
+= System variable
 
+--- _  The latest value of evaluation (it is local)
+--- __ The history of evaluation values.
+    __[line_no] return an evaluation value of line number<line_no>. If
+    line_no is a negative, return value before -<line_no> from latest
+    value.
 
 = Session Example
 
-- 
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