Zsh already has the first program built-in using the = expansion. For his example it would be:<p><pre><code>  xdvi =(curl http://www.diku.dk/~andrzej/papers/RC.dvi)
</code></pre>
Yet another reason why you should switch to zsh <i>today</i> :)<p>More about expansions in zsh: <a href="http://zsh.sourceforge.net/Doc/Release/zsh_13.html" rel="nofollow">http://zsh.sourceforge.net/Doc/Release/zsh_13.html</a>