Re: [Nmh-workers] folder -nocreate +/this/does/not/exist

Ralph Corderoy <ralph(_at_)inputplus(_dot_)co(_dot_)uk> writes:
> Hi Norm,
>
> > I customarily begin all my bash scripts with
> >
> >   set -eu
>
> Yes, I do something similar, but it was interactive use where I didn't
> notice folder had failed.
>
> >   command || true

I get around that by a pretty idiosyncratic trick, that many people would
find intolerable. I have

PROMPT_COMMAND='[ $? -eq 0 ] || play 
/usr/local/lib/sounds/swish.au;youHaveMail;directory'

Where youHaveMail produces a voice sound when I have mail and it has been a 
while
since that sound was last enunciated, and where directory sets the bash prompt
as a function of the host and the current directory.

Confession: I have never fixed this problem:

     false|true

Then true is run and the command does not return an error value.

    Norman Shapiro

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