[Novalug] What is the name of a simple command|

[Mackenzie Morgan]

On Wednesday 08 April 2009 6:49:15 am Michael Henry wrote:
> Mackenzie Morgan wrote:
> >  Of course, if your goal was just to add bar's contents to the end of 
> foo's
> >  and have it all stay in foo, just tweak the above for that:
> >  cat foo bar > foo
> >  or
> >  cat bar >> foo
> The natural-seeming first invocation, ``cat foo bar > foo``
> unfortunately doesn't work.  Before ``cat`` executes, the shell has
> already clobbered ``foo`` with the redirection operator.  GNU ``cat`` is
> smart enough to detect this problem and warn you after the fact::

I should test things before I type them :( Now I'm wondering how I did that 
before...

-- 
Mackenzie Morgan
http://ubuntulinuxtipstricks.blogspot.com
apt-get moo
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