Re: Syntax Question...

[Linda Walsh]

` Dennis Williamson wrote:
> http://mywiki.wooledge.org/XyProblem
>
> I suspect that you are hung up on the way to do something and have
> lost sight of (or failed to tell us) what it is you're *actually*
> trying to do.
>
> If what you're trying to do requires complex data structures, you're
> either doing it wrong in Bash or Bash is the wrong tool. It does not,
> in and of itself, mean that Bash is in some way flawed. Pliers and
> wrenches have some overlap in their capabilities, but you're better
> off using the one that's better suited for the task than to curse the
> design of the wrong one.
>
> We can be much more help if you provide specifics and omit *all* hyperbole.
>
> Show some code, describe *specifically* what the starting conditions
> are and what the desired *end* result is and we can fix your code.
>   
===
I showed the high level plan in 4 lines....

Just that as I developed it, everything that could go wrong did, so I 
started writing
to check itself and have interlocks.

The latest error I got is a a simple type -- most of them probably are, 
with that many
lines of code in ~3-4 weeks, there's bound to be -- trouble is I'm 
stubborn sometimes
about 'punishing myself'' when I mess up...which isn't always 
productive!  ;-)

My current snap - have been refusing to copy it over by hand as I keep 
thinking the
script will get it.  Then one more thing goes wrong.   Takes almost a 
half an hour now
to generate the diff vol @ about 3G of diff's, but rsync isn't a speed 
demon and it still has to compare 500G of files ... 


It's not like it is impossible to debug (though it REALLY doesn't help 
when leaving
out a semi, or a set of parens somewhere only results in "unexpected end 
of file at line
417...(occasionlly 1113, but problems in that file are more rare, as I 
more often
will write code in the main file and migrate it to the 2ndary file as a 
function when
I have it working...).

> Please show some code.
>   
You didn't like my Short code:!   that really was pretty much 
it!...honest...
Lemme at least fix my typo...then I'll send the 2 files...oh...ummm..

they call some subfunctions...I'll try to get the deps..ARG(not deps!!!!)



> > But
> > 1) create snapshot
> > 2) look for oldest active snapshot
> > 3) rsync the diffs from the oldest snapshot compared against current to a
> > 'diff vol'
> > 4) create new 'static vol' sized to content on diff vol, and get rid of the
> > oldest active snapshot.
> >