Re: Using ‘;&’ in place of ‘;;’ in case statement

[Andreas Kusalananda Kähäri]

On Mon, Dec 13, 2021 at 07:34:45AM +0100, Alex fxmbsw7 Ratchev wrote:
> args=abc ; case $args in *a*) printf a\\n ;& *b*) printf b\\n ;& esac
> a
> b
> 

Note that the text never says anything about the case pattern for the
next clause having to match at all:

        $ args=abc; case $args in *a*) echo a ;& *q*) echo b; esac
        a
        b

If you need the next pattern to match, use ;;&

        $ args=abc; case $args in *a*) echo a ;;& *q*) echo b; esac
        a

        $ args=aqc; case $args in *a*) echo a ;;& *q*) echo b; esac
        a
        b

> On Mon, Dec 13, 2021, 05:27 fatiparty--- via <help-bash@gnu.org> wrote:
> 
> >
> > I am reading the Gnu Bash Manual "3.2.5.2 Conditional Constructs".
> >
> > In the "case" part, the manual states that
> >
> > Using ‘;&’  in place of ‘;;’ causes execution to continue withthe
> > command-list associated with the next clause, if any.
> >
> > How can one clause cause a match, then continue to another clause that
> > causes an additional match?
> >

-- 
Andreas (Kusalananda) Kähäri
SciLifeLab, NBIS, ICM
Uppsala University, Sweden

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