Reading a variable line by line with while loop

[Smoot Carl-Mitchell]

On Tue, 2009-12-01 at 07:39 -0800, Ray Parrish wrote:
> Smoot Carl-Mitchell wrote:
> > 
> Thank you! That worked great! Now I wonder is there is another great sed 
> command that will remove redundancy in the bash history, so no command 
> line is repeated in the final results in the $History variable?

Check out the sort and uniq command.  You need sort for uniq to work
correctly when deduping lines in a file.  The original order is not
preserved.  The simple idiom for deduping stdin and writing it to stdout
is:

sort | uniq

> 
> I don't mean to get you to do my programming for me, and I will begin 
> studying the sed manual right after I send this to see if I can figure 
> it out myself. I just thought I'd pick your brain a bit more. 8-)

Happy to help.  sed is extremely useful and it is always a good idea to
learn regular expression which sed uses.  They are quite powerful.

-- 
Smoot Carl-Mitchell
Computer Systems and
Network Consultant
smoot at tic.com
+1 480 922 7313
cell: +1 602 421 9005