Re: bash 'let' can give error

[Dominic Raferd]

On 10/12/2010 15:15, Greg Wooledge wrote:
> On Thu, Dec 09, 2010 at 05:52:49PM +0000, Dominic Raferd wrote:
> > Why does this happen? Is it 'by design'? It makes arithmetic with bash
> > let very dangerous because it can throw unexpected errors (and break
> > scripts running with  set -e).
> http://mywiki.wooledge.org/BashFAQ/105 -- Why doesn't set -e (set -o
> errexit) do what I expected?
Thanks Greg (and also Eric and Andreas). Your FAQ makes it very clear; 
that is to say, it makes it clear how darned complicated it is. Seems 
best to avoid using 'set -e' altogether, as you say (except perhaps at 
an early stage for debugging): point taken.

Dominic