Re: [Bashburn-info] Pressing any key in menu balks

[Nick W. <ni...@uk...>]

On Sat, 30 Aug 2008 17:48:17 +0100
Nick Warne <ni...@uk...> wrote:

> > > if (( selection == 0 )) && [[ "$chselection" != 0 ]]
> > > then
> > >     echo 'Error: Input must be numeric'
> > > elif (( selection >= 0 && selection < size )) 
> > > then
> > >     eval ${action[selection]}       # Do it baby.
> > > else
> > >     # Bitch if the input was out of bounds.
> > >     echo 'Error: Input must be in range'
> > >     nogood=1
> > > fi
> > 
> > Very good.  Many ways to skin a cat in GNU/Linux world.
> > 
> > Works great.
> > 
> > Nick
> 
> Famous last words.  If you type a none digit/alpha character (i.e. # ~
> @ etc. ) oops.
> 
> The regex line I done just stripped anything that wasn't a digit.

Thinking, perhaps what I done _is_ the right thing i.e. sanitise the
input before deliberating what needs to be done later in the code.

I guess it could be more elegant though...

Nick
-- 
Free Software Foundation Associate Member 5508