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Re: [Help-bash] Is there a way to access a global variable once a local
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From: |
Grisha Levit |
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Subject: |
Re: [Help-bash] Is there a way to access a global variable once a local variable with the same name is declared? |
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Date: |
Fri, 7 Dec 2018 15:03:25 -0500 |
That's some unofficial mirror. Official repo is at
https://git.savannah.gnu.org/cgit/bash.git, check the devel branch.
On Fri, Dec 7, 2018, 2:54 PM Peng Yu <address@hidden> wrote:
> Where is 5? I only see 4.4.
>
> https://github.com/bminor/bash
> On Fri, Dec 7, 2018 at 1:48 PM Grisha Levit <address@hidden> wrote:
> >
> > This is actually only in bash 5.
> >
> > On Fri, Dec 7, 2018, 2:31 PM Peng Yu <address@hidden> wrote:
> >>
> >> > $ g() { declare -n $1=$1; printf %s "${!1}"; } 2>/dev/null
> >> > $ x=1; f() { local x=2; g x; }; f
> >> > 1
> >>
> >> I don't see the "1" printed at the end. Anything wrong?
> >>
> >> --
> >> Regards,
> >> Peng
>
>
>
> --
> Regards,
> Peng
>