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Fix markups and grammar.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@4999 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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knu 2003-11-21 07:13:43 +00:00
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@ -1,3 +1,7 @@
Fri Nov 21 16:12:11 2003 Akinori MUSHA <knu@iDaemons.org>
* ruby.1: Fix markups and grammar.
Fri Nov 21 14:49:42 2003 Minero Aoki <aamine@loveruby.net> Fri Nov 21 14:49:42 2003 Minero Aoki <aamine@loveruby.net>
* ruby.1: wrote about ruby related environment variables. * ruby.1: wrote about ruby related environment variables.

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ruby.1
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@ -36,7 +36,7 @@ don't like too much parentheses, Ruby may be the language of your
choice. choice.
.Sh FEATURES .Sh FEATURES
Ruby's features are as follows: Ruby's features are as follows:
.Bl -tag -width "12" .Bl -tag
.It Sy "Interpretive" .It Sy "Interpretive"
Ruby is an interpreted language, so you don't have to recompile Ruby is an interpreted language, so you don't have to recompile
programs written in Ruby to execute them. programs written in Ruby to execute them.
@ -110,7 +110,7 @@ on-the-fly.
Ruby interpreter accepts following command-line options (switches). Ruby interpreter accepts following command-line options (switches).
They are quite similar to those of They are quite similar to those of
.Xr perl 1 . .Xr perl 1 .
.Bl -tag -width "12" -compact .Bl -tag -width "1234567890123" -compact
.Pp .Pp
.It Fl -copyright .It Fl -copyright
Prints the copyright notice. Prints the copyright notice.
@ -150,11 +150,12 @@ Specifies KANJI (Japanese) encoding.
Makes Ruby use the Makes Ruby use the
.Ev PATH .Ev PATH
environment variable to search for script, unless if its name begins environment variable to search for script, unless if its name begins
with a slash. This is used to emulate #! on machines that don't with a slash. This is used to emulate
support it, in the following manner: .Li #!
on machines that don't support it, in the following manner:
.Bd -literal -offset indent .Bd -literal -offset indent
#! /usr/local/bin/ruby #! /usr/local/bin/ruby
# This line makes the next one a comment in ruby \e # This line makes the next one a comment in Ruby \e
exec /usr/local/bin/ruby -S $0 $* exec /usr/local/bin/ruby -S $0 $*
.Ed .Ed
.Pp .Pp
@ -180,11 +181,11 @@ to the standard output.
.It Fl -debug .It Fl -debug
Turns on debug mode. Turns on debug mode.
.Li "$DEBUG" .Li "$DEBUG"
will set true. will be set to true.
.Pp .Pp
.It Fl e Ar command .It Fl e Ar command
Specifies script from command-line while telling Ruby to not search Specifies script from command-line while telling Ruby not to search
argv for script filenames. the rest of arguments for a script file name.
.Pp .Pp
.It Fl h .It Fl h
.It Fl -help .It Fl -help
@ -289,8 +290,11 @@ will be discarded until the first that starts with
and contains the string, and contains the string,
.Dq ruby . .Dq ruby .
Any meaningful switches on that line will applied. The end of script Any meaningful switches on that line will applied. The end of script
must be specified with either EOF, ^D (control-D), ^Z (control-Z), or must be specified with either
reserved word .Li EOF ,
.Li "^D" ( Li "control-D" ) ,
.Li "^Z" ( Li "control-Z" ) ,
or reserved word
.Li __END__ . .Li __END__ .
If the directory name is specified, Ruby will switch to that directory If the directory name is specified, Ruby will switch to that directory
before executing script. before executing script.
@ -303,31 +307,41 @@ this switch, unless you are going to debug the Ruby interpreter.
.El .El
.Pp .Pp
.Sh ENVIRONMENT .Sh ENVIRONMENT
.Bl -tag -width "12" .Bl -tag -width "RUBYLIB_PREFIX" -compact
.It Ev RUBYLIB
A colon-separated list of directories that are appended to Ruby's
library load path
.Pf ( Li "$:" ) .
.Pp .Pp
.It Sy "RUBYLIB" e.g.:
A colon-separated list of directories .Dl RUBYLIB="$HOME/lib/ruby:$HOME/lib/rubyext"
that are appended to ruby's library load path ($:).
e.g. RUBYLIB="$HOME/lib/ruby:$HOME/lib/rubyext"
.Pp .Pp
.It Sy "RUBYOPT" .It Ev RUBYOPT
Additional ruby options. Additional Ruby options.
e.g. RUBYOPT="-w -Ke"
.Pp .Pp
.It Sy "RUBYPATH" e.g.
A colon-separated list of directories .Dl RUBYOPT="-w -Ke"
that are used when ruby searches ruby programs for "ruby -S".
This variable precedes PATH environment variable.
.Pp .Pp
.It Sy "RUBYSHELL" .It Ev RUBYPATH
The path to the system shell command. A colon-separated list of directories that Ruby searches for
This environment variable is enabled for only mswin32, mingw32, and OS/2 platform. Ruby programs when the
When this variable is not defined, ruby refers to COMSPEC. .Fl S
flag is specified. This variable precedes the
.Ev PATH
environment variable.
.Pp .Pp
.It Sy "PATH" .It Ev RUBYSHELL
Ruby refers to PATH environment variable on calling Kernel#system. The path to the system shell command. This environment variable is
enabled for only mswin32, mingw32, and OS/2 platforms. If this
variable is not defined, Ruby refers to
.Ev COMSPEC .
.Pp .Pp
.It Sy "RUBYLIB_PREFIX" .It Ev PATH
Ruby refers to the
.Ev PATH
environment variable on calling Kernel#system.
.Pp
.It Ev RUBYLIB_PREFIX
This variable is obsolete. This variable is obsolete.
.El .El
.Pp .Pp