From: Brian Candler <b.candler@...>
Date: 2008-12-23T17:47:14+09:00
Subject: Re: Error after install

Callen Mascarenhas wrote:
>> Instead of:
>>   . /usr/local/bin/irb
>> do:
>>   /usr/local/bin/irb
> 
> when I do that and then run `which` I get the following.
> 
> $ which irb
> /opt/third-party/bin/irb
> 
> That is why I'm using the . /usr/local/bin/irb command.  Am I not using 
> it correctly.

No. A dot followed by a filename means "read this file into the shell" - 
that is, it is treated as a series of bash commands.

Just doing /usr/local/bin/irb (without the dot) will execute that 
command.
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