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📁 RUBY的参考手册~~ RUBY的参考手册~~RUBY的参考手册
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                    (semicolon in DOS and Windows). </P><A 
name=IXT-2-126862></A>
                    <DT><SPAN class=docPubcolor><SPAN class=docPubcolor><SPAN 
                    class=docMonofont>RUBYLIB</SPAN></SPAN></SPAN> 
                    <DD>
                    <P class=docList><A name=IXT-2-126863></A><A 
                    name=IXT-2-126864></A>Search path for libraries. Separate 
                    each path with a colon (semicolon in DOS and Windows). 
                    </P><A name=IXT-2-126865></A>
                    <DT><SPAN class=docPubcolor><SPAN class=docPubcolor><SPAN 
                    class=docMonofont>RUBYLIB_PREFIX</SPAN></SPAN></SPAN> 
                    <DD>
                    <P class=docList>Used to modify the RUBYLIB search path by 
                    replacing prefix of library <TT><I>path1</I></TT> with 
                    <TT><I>path2</I></TT> using the format 
                    <TT><I>path1</I></TT>;<TT><I>path2</I></TT> or 
                    <TT><I>path1path2</I></TT>. For example, if <TT>RUBYLIB</TT> 
                    is: </P><PRE> /usr/local/lib/ruby/site_ruby</PRE>
                    <P class=docList>and <TT>RUBYLIB_PREFIX</TT> is:</P><PRE> /usr/local/lib/ruby;f:/ruby</PRE>
                    <P class=docList>Ruby searches <TT>f:/ruby/site_ruby</TT>. 
                    Works only with DOS, Windows, and OS/2 versions. </P><A 
                    name=IXT-2-126866></A>
                    <DT><SPAN class=docPubcolor><SPAN class=docPubcolor><SPAN 
                    class=docMonofont>RUBYOPT</SPAN></SPAN></SPAN> 
                    <DD>
                    <P class=docList><A name=IXT-2-126867></A><A 
                    name=IXT-2-126868></A><A name=IXT-2-126869></A>Command-line 
                    options passed to Ruby interpreter. Ignored in taint mode 
                    (where <TT>$SAFE</TT> is greater than 0). </P><A 
                    name=IXT-2-126870></A>
                    <DT><SPAN class=docPubcolor><SPAN class=docPubcolor><SPAN 
                    class=docMonofont>RUBYPATH</SPAN></SPAN></SPAN> 
                    <DD>
                    <P class=docList><A name=IXT-2-126871></A><A 
                    name=IXT-2-126872></A>With <TT>-S</TT> option, search path 
                    for Ruby programs. Takes precedence over <TT>PATH</TT>. 
                    Ignored in taint mode (where <TT>$SAFE</TT> is greater than 
                    0). </P><A name=IXT-2-126873></A>
                    <DT><SPAN class=docPubcolor><SPAN class=docPubcolor><SPAN 
                    class=docMonofont>RUBYSHELL</SPAN></SPAN></SPAN> 
                    <DD>
                    <P class=docList><A name=IXT-2-126874></A><A 
                    name=IXT-2-126875></A>Specifies shell for spawned processes. 
                    If not set, <TT>SHELL</TT> or <TT>COMSPEC</TT> are checked. 
                    </P></DD></DL><A 
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