[ale] bash return and exit

[leam hall]

Actually, when I sourced the file with the function and ran the function
with a return or exit, it exited the parent shell!

ABSG didn't seem to answer my question, though I mostly read the functions
part.

Leam



On Tue, Sep 17, 2013 at 12:13 PM, JD <jdp at algoloma.com> wrote:

> Whenever I have a question about Bash, checking the ABSG usually answers
> it.
> http://www.tldp.org/LDP/abs/html/
>
> On 09/17/2013 06:06 PM, leam hall wrote:
> > I've looked at a few google searches and am not sure I understand what
> I'm
> > seeing. In bash, I want to have a function do a test, and have a
> variable in the
> > calling program set based on the function's actions. So far it seems as
> if I
> > have to either "echo" the result or have the calling function use $?.
> >
> > Calling script:
> >
> > MY_VAR=`my_function`
> >
> > # This fails:
> > my_function() {
> >   do_something
> >   return $?
> > }
> >
> > # This works:
> > my_function() {
> >   do_something
> >   if [ $? -eq 0 ]
> >     echo 0
> >   else
> >     echo 1
> >    fi
> > }
> >
> > The first function works if the parent's calls:
> >
> > MY_VAR=`my_function; echo $?`
> >
> > Am I looking for something that's just not in bash?
> >
> > Leam
>
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-- 
Mind on a Mission <http://leamhall.blogspot.com/>
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