Changing History to only store unique commands

[Ryan Schmidt]

On Sep 30, 2009, at 19:43, Peter Hindrichs wrote:

> I have wanted to set up my history to only show a one time  
> occurrence of each command that I use.
>
> I found this on the web:  "http://reviews.cnet.com/8301-13727_7-10361343-263.html?tag=mncol;title 
> "
>
> I followed the procedure and couldn't get the file to save. After  
> some research I found that I had to create the ".bash_profile" file,  
> which I did and it
>
> worked. However at this point I couldn't access the ports, so I  
> removed the .bash_profile, closed the terminal and reopened and now  
> my ports are back
>
> with no issues.
>
> My question is can I under ports set up the same kind of profile, so  
> that history will not show any duplications. If this is possible how  
> would I go about doing this ?

Sounds like the MacPorts installer set up your PATH in your .profile.  
Bash will read startup instructions from either .bash_profile  
or .profile, but ignores .profile if .bash_profile is present. So,  
pick one file and put all your code in that one, and delete the other  
one.