Re: Interesting bug

[Chet Ramey]

On 2/12/22 1:24 PM, David Hobach wrote:
> > > I guess 99% of programmers would either expect "Finished" to be printed 
> > > or some syntax error.
> >
> > Well, 99% of shell programmers will (hopefully ;-) ) put a blank between 
> > "{" and "echo" in the line
> >
> > foo="$(testCode)" || {echo "foo";}
>
> Yes, the interesting part is that depending on which space you accidentally 
> forget, you'll either get the expected "Finished" or "bad code executed".
> foo="$(testCode)" || {echo "foo"; } # --> bad code
> foo="$(testCode)" || { echo "foo";} # --> Finished
>
> I guess it closes the function and {echo is interpreted as string or so, 
> but that is probably not all (testCode is e.g. never executed).

It's not executed because it's part of a function that's never called.


--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/