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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.
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