RE: puts "#{expression}" braces always needed?

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Silly me!  I think I was trying it with local variables.  Read Mark!

> -----Original Message-----
> From: ts [mailto:decoux / moulon.inra.fr]
> Sent: Tuesday, October 01, 2002 10:33 AM
> To: ruby-talk / ruby-lang.org
> Cc: ruby-talk / ruby-lang.org
> Subject: Re: puts "#{expression}" braces always needed?
> 
> 
> >>>>> "V" Volkmann, Mark <Mark.Volkmann / AGEDWARDS.com> writes:
> 
> V> The pickaxe book says (on page 51) that if the expression 
> is a global, class
> V> or instance variable then the braces aren't required.  
> Omitting them doesn't
> V> seem to work for me.  Is the book wrong?
> 
>  it seems to work for me
> 
> pigeon% ruby -e '$a  @a  a  2; p "#$a #@@a #@a"'
> "12 12 12"
> pigeon% 
> 
> 
>  Can you give an example ?


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<P><FONT SIZE Silly me!&nbsp; I think I was trying it with local variables.&nbsp; Read Mark!</FONT>
</P>

<P><FONT SIZE &gt; -----Original Message-----</FONT>
<BR><FONT SIZE &gt; From: ts [<A HREFailto:decoux / moulon.inra.fr">mailto:decoux / moulon.inra.fr</A>]</FONT>
<BR><FONT SIZE &gt; Sent: Tuesday, October 01, 2002 10:33 AM</FONT>
<BR><FONT SIZE &gt; To: ruby-talk / ruby-lang.org</FONT>
<BR><FONT SIZE &gt; Cc: ruby-talk / ruby-lang.org</FONT>
<BR><FONT SIZE &gt; Subject: Re: puts &quot;#{expression}&quot; braces always needed?</FONT>
<BR><FONT SIZE &gt; </FONT>
<BR><FONT SIZE &gt; </FONT>
<BR><FONT SIZE &gt; &gt;&gt;&gt;&gt;&gt; &quot;V&quot; Volkmann, Mark &lt;Mark.Volkmann / AGEDWARDS.com&gt; writes:</FONT>
<BR><FONT SIZE &gt; </FONT>
<BR><FONT SIZE &gt; V&gt; The pickaxe book says (on page 51) that if the expression </FONT>
<BR><FONT SIZE &gt; is a global, class</FONT>
<BR><FONT SIZE &gt; V&gt; or instance variable then the braces aren't required.&nbsp; </FONT>
<BR><FONT SIZE &gt; Omitting them doesn't</FONT>
<BR><FONT SIZE &gt; V&gt; seem to work for me.&nbsp; Is the book wrong?</FONT>
<BR><FONT SIZE &gt; </FONT>
<BR><FONT SIZE &gt;&nbsp; it seems to work for me</FONT>
<BR><FONT SIZE &gt; </FONT>
<BR><FONT SIZE &gt; pigeon% ruby -e '$a  @a  a  2; p &quot;#$a #@@a #@a&quot;'</FONT>
<BR><FONT SIZE &gt; &quot;12 12 12&quot;</FONT>
<BR><FONT SIZE &gt; pigeon% </FONT>
<BR><FONT SIZE &gt; </FONT>
<BR><FONT SIZE &gt; </FONT>
<BR><FONT SIZE &gt;&nbsp; Can you give an example ?</FONT>
</P>

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